Replace the existing Notes and Recent Notifications cards across Supplier, Contract, eSourcing and Savings records with a shared Latest Activity timeline. Provide reverse-chronological activity tracking with filtering, full-screen view and support for Notes, Emails, Calls, Meetings, Tasks, Documents and system-generated Notifications. Include type-specific activity forms, task assignment and completion notifications, record-owner @mentions for notes, standalone document uploads, edit/delete actions and a shared activity data structure across all four modules. Rename the existing Notes & Notifications tab to Latest Activity, while retaining Overview for eSourcing.