Narrow the archival process down to a window of time

Author: buddhisthead

docs/overview.md

@@ -1,4 +1,4 @@
-# Acropolis Cardano Node 
+# Acropolis Cardano Node
 ## Deliverable Descriptions:
 
 ### **1. Archival Node** (formerly "Data node")
@@ -17,10 +17,10 @@ A read-only node that synchronizes blockchain data and provides query access wit
 
 **What It Does for External Users:**
 - Synchronizes with the Cardano blockchain from genesis or a snapshot
-- Stores complete ledger state (UTXOs, stake distribution, pool info, governance data)
-- Provides REST API access (Blockfrost-compatible) to query blockchain data
+- Stores a window complete ledger state (UTXOs, stake distribution, pool info, governance data)
+- Provides REST API access (Blockfrost-compatible) to query blockchain data over the window of history
 - Allows users to submit transactions to the network
-- Acts as a read-only data source for wallets, explorers, and applications
+- Acts as a read-only data source for wallets and applications
 
 **External Runtime Requirements:**
 - **Needs to connect to:** Established Cardano relay nodes for initial sync