diff --git a/crates/brk_computer/src/blocks/size/import.rs b/crates/brk_computer/src/blocks/size/import.rs
index 6b6d53e7f..b86c6b120 100644
--- a/crates/brk_computer/src/blocks/size/import.rs
+++ b/crates/brk_computer/src/blocks/size/import.rs
@@ -4,7 +4,7 @@ use brk_types::{Height, StoredU64, Version};
 use vecdb::{Database, IterableCloneableVec, VecIndex};
 
 use super::Vecs;
-use crate::{indexes, internal::{ComputedDerivedBlockFull, LazyComputedBlockFull}};
+use crate::{indexes, internal::{ComputedDerivedBlockFull, BlockFullLazyHeight}};
 
 impl Vecs {
     pub fn forced_import(
@@ -14,7 +14,7 @@ impl Vecs {
         indexes: &indexes::Vecs,
     ) -> Result<Self> {
         Ok(Self {
-            vbytes: LazyComputedBlockFull::forced_import_with_init(
+            vbytes: BlockFullLazyHeight::forced_import_with_init(
                 db,
                 "block_vbytes",
                 version,
diff --git a/crates/brk_computer/src/blocks/size/vecs.rs b/crates/brk_computer/src/blocks/size/vecs.rs
index c4fe97256..95d6d39a4 100644
--- a/crates/brk_computer/src/blocks/size/vecs.rs
+++ b/crates/brk_computer/src/blocks/size/vecs.rs
@@ -1,10 +1,10 @@
 use brk_traversable::Traversable;
 use brk_types::{StoredU64, Weight};
 
-use crate::internal::{ComputedDerivedBlockFull, LazyComputedBlockFull};
+use crate::internal::{ComputedDerivedBlockFull, BlockFullLazyHeight};
 
 #[derive(Clone, Traversable)]
 pub struct Vecs {
-    pub vbytes: LazyComputedBlockFull<StoredU64, Weight>,
+    pub vbytes: BlockFullLazyHeight<StoredU64, Weight>,
     pub size: ComputedDerivedBlockFull<StoredU64>,
 }
diff --git a/crates/brk_computer/src/internal/computed/block/lazy_sum_cum.rs b/crates/brk_computer/src/internal/computed/block/lazy_height_sum_cum.rs
similarity index 88%
rename from crates/brk_computer/src/internal/computed/block/lazy_sum_cum.rs
rename to crates/brk_computer/src/internal/computed/block/lazy_height_sum_cum.rs
index b77c01e84..65cf85208 100644
--- a/crates/brk_computer/src/internal/computed/block/lazy_sum_cum.rs
+++ b/crates/brk_computer/src/internal/computed/block/lazy_height_sum_cum.rs
@@ -1,4 +1,4 @@
-//! Lazy binary height + stored derived SumCum.
+//! BlockSumCumLazyHeight - block sum+cumulative with lazy height transform.
 //!
 //! Use this when you need:
 //! - Lazy height (binary transform from two sources)
@@ -16,14 +16,14 @@ use crate::{indexes, ComputeIndexes};
 
 use crate::internal::{ComputedVecValue, ComputedDerivedBlockSumCum, NumericValue};
 
-/// Lazy binary height + stored derived block SumCum.
+/// Block sum+cumulative with lazy binary height transform + computed derived indexes.
 ///
 /// Height is a lazy binary transform (e.g., mask × source, or price × sats).
 /// Cumulative and dateindex are stored (computed from lazy height).
 /// Coarser periods are lazy lookups.
 #[derive(Clone, Deref, DerefMut, Traversable)]
 #[traversable(merge)]
-pub struct LazyComputedBlockSumCum<T, S1T = T, S2T = T>
+pub struct BlockSumCumLazyHeight<T, S1T = T, S2T = T>
 where
     T: ComputedVecValue + PartialOrd + JsonSchema,
     S1T: ComputedVecValue,
@@ -38,7 +38,7 @@ where
 
 const VERSION: Version = Version::ZERO;
 
-impl<T, S1T, S2T> LazyComputedBlockSumCum<T, S1T, S2T>
+impl<T, S1T, S2T> BlockSumCumLazyHeight<T, S1T, S2T>
 where
     T: NumericValue + JsonSchema,
     S1T: ComputedVecValue + JsonSchema,
diff --git a/crates/brk_computer/src/internal/computed/block/mod.rs b/crates/brk_computer/src/internal/computed/block/mod.rs
index 236bcad43..d3508550f 100644
--- a/crates/brk_computer/src/internal/computed/block/mod.rs
+++ b/crates/brk_computer/src/internal/computed/block/mod.rs
@@ -9,7 +9,7 @@ mod height_date_last;
 mod height_date_max;
 mod height_date_min;
 mod last;
-mod lazy_sum_cum;
+mod lazy_height_sum_cum;
 mod sum;
 mod sum_cum;
 
@@ -20,6 +20,6 @@ pub use height_date_last::*;
 pub use height_date_max::*;
 pub use height_date_min::*;
 pub use last::*;
-pub use lazy_sum_cum::*;
+pub use lazy_height_sum_cum::*;
 pub use sum::*;
 pub use sum_cum::*;
diff --git a/crates/brk_computer/src/internal/lazy/block/computed_full.rs b/crates/brk_computer/src/internal/lazy/block/lazy_height_full.rs
similarity index 90%
rename from crates/brk_computer/src/internal/lazy/block/computed_full.rs
rename to crates/brk_computer/src/internal/lazy/block/lazy_height_full.rs
index 4e7e57fa4..89897367b 100644
--- a/crates/brk_computer/src/internal/lazy/block/computed_full.rs
+++ b/crates/brk_computer/src/internal/lazy/block/lazy_height_full.rs
@@ -1,4 +1,4 @@
-//! LazyComputedBlockFull - lazy height + ComputedDerivedBlockFull.
+//! BlockFullLazyHeight - block full with lazy height transform.
 
 use brk_error::Result;
 use brk_traversable::Traversable;
@@ -14,10 +14,10 @@ use crate::{
 
 const VERSION: Version = Version::ZERO;
 
-/// Lazy height transform + stored/computed derived indexes.
+/// Block full aggregation with lazy height transform + computed derived indexes.
 #[derive(Clone, Deref, DerefMut, Traversable)]
 #[traversable(merge)]
-pub struct LazyComputedBlockFull<T, S = T>
+pub struct BlockFullLazyHeight<T, S = T>
 where
     T: ComputedVecValue + PartialOrd + JsonSchema,
     S: ComputedVecValue,
@@ -29,7 +29,7 @@ where
     pub rest: ComputedDerivedBlockFull<T>,
 }
 
-impl<T, S> LazyComputedBlockFull<T, S>
+impl<T, S> BlockFullLazyHeight<T, S>
 where
     T: NumericValue + JsonSchema,
     S: ComputedVecValue + JsonSchema,
diff --git a/crates/brk_computer/src/internal/lazy/block/mod.rs b/crates/brk_computer/src/internal/lazy/block/mod.rs
index a71d694c3..1bb57e7ad 100644
--- a/crates/brk_computer/src/internal/lazy/block/mod.rs
+++ b/crates/brk_computer/src/internal/lazy/block/mod.rs
@@ -2,10 +2,10 @@ mod binary_full;
 mod binary_last;
 mod binary_sum;
 mod binary_sum_cum;
-mod computed_full;
 mod distribution;
 mod full;
 mod last;
+mod lazy_height_full;
 mod sum;
 mod sum_cum;
 
@@ -13,9 +13,9 @@ pub use binary_full::*;
 pub use binary_last::*;
 pub use binary_sum::*;
 pub use binary_sum_cum::*;
-pub use computed_full::*;
 pub use distribution::*;
 pub use full::*;
 pub use last::*;
+pub use lazy_height_full::*;
 pub use sum::*;
 pub use sum_cum::*;
diff --git a/crates/brk_computer/src/internal/specialized/value/block/lazy_computed_sum_cum.rs b/crates/brk_computer/src/internal/specialized/value/block/lazy_computed_sum_cum.rs
index 7edfaa7c1..cde6a0a62 100644
--- a/crates/brk_computer/src/internal/specialized/value/block/lazy_computed_sum_cum.rs
+++ b/crates/brk_computer/src/internal/specialized/value/block/lazy_computed_sum_cum.rs
@@ -14,7 +14,7 @@ use vecdb::{Database, Exit, IterableCloneableVec, LazyVecFrom2};
 use crate::{
     ComputeIndexes, indexes,
     internal::{
-        ClosePriceTimesSats, ComputedBlockSumCum, LazyBlockSumCum, LazyComputedBlockSumCum,
+        ClosePriceTimesSats, ComputedBlockSumCum, LazyBlockSumCum, BlockSumCumLazyHeight,
         SatsToBitcoin,
     },
     price,
@@ -29,7 +29,7 @@ use crate::{
 pub struct LazyComputedValueBlockSumCum {
     pub sats: ComputedBlockSumCum<Sats>,
     pub bitcoin: LazyBlockSumCum<Bitcoin, Sats>,
-    pub dollars: Option<LazyComputedBlockSumCum<Dollars, Close<Dollars>, Sats>>,
+    pub dollars: Option<BlockSumCumLazyHeight<Dollars, Close<Dollars>, Sats>>,
 }
 
 const VERSION: Version = Version::ZERO;
@@ -61,7 +61,7 @@ impl LazyComputedValueBlockSumCum {
                 sats.height.boxed_clone(),
             );
 
-            Some(LazyComputedBlockSumCum::forced_import(
+            Some(BlockSumCumLazyHeight::forced_import(
                 db,
                 &format!("{name}_usd"),
                 v,
diff --git a/crates/brk_computer/src/internal/specialized/value/block/lazy_sum_cum.rs b/crates/brk_computer/src/internal/specialized/value/block/lazy_sum_cum.rs
index d9c00561e..a1df5aa70 100644
--- a/crates/brk_computer/src/internal/specialized/value/block/lazy_sum_cum.rs
+++ b/crates/brk_computer/src/internal/specialized/value/block/lazy_sum_cum.rs
@@ -13,7 +13,7 @@ use vecdb::{
 use crate::{
     ComputeIndexes, indexes,
     internal::{
-        ClosePriceTimesSats, ComputedVecValue, LazyBlockSumCum, LazyComputedBlockSumCum,
+        ClosePriceTimesSats, ComputedVecValue, LazyBlockSumCum, BlockSumCumLazyHeight,
         SatsToBitcoin,
     },
     price,
@@ -30,9 +30,9 @@ where
     S1T: ComputedVecValue + JsonSchema,
     S2T: ComputedVecValue + JsonSchema,
 {
-    pub sats: LazyComputedBlockSumCum<Sats, S1T, S2T>,
+    pub sats: BlockSumCumLazyHeight<Sats, S1T, S2T>,
     pub bitcoin: LazyBlockSumCum<Bitcoin, Sats>,
-    pub dollars: Option<LazyComputedBlockSumCum<Dollars, Close<Dollars>, Sats>>,
+    pub dollars: Option<BlockSumCumLazyHeight<Dollars, Close<Dollars>, Sats>>,
 }
 
 const VERSION: Version = Version::ZERO;
@@ -57,7 +57,7 @@ where
         let v = version + VERSION;
 
         let sats_height = LazyVecFrom2::transformed::<F>(name, v, source1, source2);
-        let sats = LazyComputedBlockSumCum::forced_import(db, name, v, indexes, sats_height)?;
+        let sats = BlockSumCumLazyHeight::forced_import(db, name, v, indexes, sats_height)?;
 
         let bitcoin = LazyBlockSumCum::from_derived::<SatsToBitcoin>(
             &format!("{name}_btc"),
@@ -74,7 +74,7 @@ where
                 sats.height.boxed_clone(),
             );
 
-            Some(LazyComputedBlockSumCum::forced_import(
+            Some(BlockSumCumLazyHeight::forced_import(
                 db,
                 &format!("{name}_usd"),
                 v,
diff --git a/crates/brk_computer/src/internal/specialized/value/derived_block/sum_cum.rs b/crates/brk_computer/src/internal/specialized/value/derived_block/sum_cum.rs
index ef09c1932..e8030db10 100644
--- a/crates/brk_computer/src/internal/specialized/value/derived_block/sum_cum.rs
+++ b/crates/brk_computer/src/internal/specialized/value/derived_block/sum_cum.rs
@@ -8,7 +8,7 @@ use vecdb::{Database, Exit, IterableBoxedVec, IterableCloneableVec, IterableVec,
 use crate::{
     ComputeIndexes, indexes,
     internal::{
-        ClosePriceTimesSats, ComputedDerivedBlockSumCum, LazyBlockSumCum, LazyComputedBlockSumCum,
+        ClosePriceTimesSats, ComputedDerivedBlockSumCum, LazyBlockSumCum, BlockSumCumLazyHeight,
         SatsToBitcoin,
     },
     price,
@@ -19,7 +19,7 @@ use crate::{
 pub struct DerivedValueBlockSumCum {
     pub sats: ComputedDerivedBlockSumCum<Sats>,
     pub bitcoin: LazyBlockSumCum<Bitcoin, Sats>,
-    pub dollars: Option<LazyComputedBlockSumCum<Dollars, Close<Dollars>, Sats>>,
+    pub dollars: Option<BlockSumCumLazyHeight<Dollars, Close<Dollars>, Sats>>,
 }
 
 const VERSION: Version = Version::ZERO;
@@ -58,7 +58,7 @@ impl DerivedValueBlockSumCum {
                 sats_source.boxed_clone(),
             );
 
-            Some(LazyComputedBlockSumCum::forced_import(
+            Some(BlockSumCumLazyHeight::forced_import(
                 db,
                 &format!("{name}_usd"),
                 v,