explain this system design part called procces dfd$.$ explain it in a way that i can dumbfiy this in words to a client who wouldn't know about this diagram. also give me questions i can ask about this diagram to the client for further clarification

Sacred Seeds Holistic Health

Process DFD

$)$

Monthly

Time

Trigger

Triggers $4\mathrm{.}1$ below

From bookkeeper to $$ monthly Income$/$Expenses info

From the $($bookeepwr$)$ GST Payment Info$-$ to $($System$)$monthly income and expenses

From $($package$)$ Client package info to System$)$monthly income and expenses

From $($Client$)$ client contact Email info to System$)$monthly income and expenses

From $($ledger $)$ incomes and expenses info to System$)$monthly income and expenses

From System$)$monthly income and expenses

To $($ledger$)$ updated gst info

From $($investor$)$ investor info to System$)$monthly income and expenses

From $($renter$)$ renter info to System$)$monthly income and expenses

Investor, Renter, Client and Package info

Arrows to monthly Investor $4\mathrm{.}2$ below

From $($System$)$monthly investor to $($Bookkeeper $)$ investor profile info

Form $($Bookkeeper $)$ investor payment info to $($System$)$monthly investor

From $($System$)$monthly investor to $($investor$)$ updated investor status info

From $($investor $)$ updated investor payment information to $($System$)$monthly investor

This takes the Renter, Client and Package Into

Arrow below to $4\mathrm{.}3$

From $($System$)$monthly Renter rental info to $($bookkeeper$)$

From $($bookkeeper$)$ rental bill info to From $($System$)$monthly Renter

From the From $($System$)$monthly Renter updated rental bill info to $($ledger$)$

From the From $($System$)$monthly Renter

Updated renter status info to $($renter$)$

This takes the client and Package Info arrow down to $4\mathrm{.}4$

From $($system$)$ monthly package and reminder email, package reminder email info to $($client$)$

From $($system$)$ monthly package and reminder email, client contacted status info to

$($Client$)$