purpose of use; intended use
A straightforward compound noun used in formal and technical contexts, such as privacy policies, terms of service, and product documentation.
Please clearly state the purpose of use of personal information.
The intended use of this app is learning support.
用途 is a more general term for 'use' or 'application', while 利用目的 specifically refers to the purpose or objective behind using something.
Compound of 利用 (use, utilization) and 目的 (purpose, objective).