活用

1. Origins, structure, and basic meaning

• Structure: 活用 is read as かつよう and is a noun for putting a resource or ability to effective use, and for word inflection in grammar; it also combines with する as a verb.
• Basic usage: Putting an empty box to use for storage appears in 空き箱を収納に活用する, while learning the conjugation of verbs appears in 動詞の活用を習う.

2. Common pitfalls and similar expressions

• Difference from 使用
  • 活用 also means effective utilization or conjugation, not merely use.