What is the E1, DF1, DF2, DF3, and DF4 in the DFD?

General Ledger and Reporting Rev., Exp., HR, Prod Cycles Summary journal entries DF1? Budget Director Budget reports 1 Update General Ledger Financing & investin journal entry 4 Produce Managerial Reports Budgets & reports DF2? G/L-based data E1? Joumal entries Various Managers Report confirmation General Ledger Journal voucher Trial balances Closing entries Financial statements Adjusting entry Adjusting entry Post Adjusting Entries Prepare Financial Statements F3? Adjusted trial balance Financial statements External Investors and Parties Controller DF4