Asset Depreciation vs Deferred Revenue vs Falinwa Loan Management

This 3 Odoo Features (Falinwa Standard) have a same method but different in uses. Do you know what it is ??

Do you know what is asset depreciation ?

if (yes), can you describe it ?

Do you know in Odoo we have deferred revenue feature ?

How can we activate the Deferred Revenue in Odoo ?

What is the different between Asset Depreciation and Deferred Revenue ?

Do you know there's Falinwa standard feature name loan management ?

Do you know what is the different Asset Depreciation, Deferred Revenue and Loan Management