On this page you have accounting entry's list. These entries added in accounting application configuration's custom account entry section.

List here :

You can do an accounting transaction by just simply click on "Run".
For example : In an organization some office expenses being daily. like stationery, refreshment etc.
In account we maintain that how many money expensed for these type of expenses. So we have an custom entry which code is "EXPENSES CASH PAYMENT", now we click on Run to execute this transaction.
And redirected on a page :

Below you can see how added its entries.

Note : You noticed here that in record row of "offficeexpense-1" "Ledger Changable" & "Allow Add Ledger" are settled as "Yes". So cause of "Allow Add Ledger" we got an "Plus" icon on run page. 
             

We noticed here that in record row of "offficeexpense-1" "Ledger Changable" & "Allow Add Ledger" are settled as "No". So cause of "Allow Add Ledger" we got an "Plus" icon on run page. 
So its by default filled & no "Plus" icon you found.
            

So let's do an accounting transaction.
Using of given "Plus" sign you can add a new ledger here.
In our example this ledger is going to be add for "Office Expense" in under group of "Other Expenses".




After filling info for ledger & expensed amount in both of row. Amount is blinking is in red box. Because left side amount is greater than right side amount.

After filling of amount at right side. Amount is still not equal, right side is greater than left side amount.


Note : In accounting transaction there are two sides in every accounting transaction. One is "Dr" or another one is "Cr", so both side amount will be equal to proceed any accounting transaction. It is Fixed Rule for doing any accounting transaction.
Here Left side is "Dr"
& Right side is "Cr".

After filling of Equal Amount on both side. here Equal sign is showing.



After successfully done transaction, now you have to check transaction statement. So you can check "Day Book, Cash Book, Account Statement".