• 省略しょうりゃく — omission; abbreviation
• 略語りゃくご — abbreviation; acronym
• 戦略せんりゃく — strategy
• 略図りゃくず — simplified diagram
• 略歴りゃくれき — brief résumé
• 攻略こうりゃく — capture; walkthrough (gaming)
• 略称りゃくしょう — short name; abbreviation
• 略式りゃくしき — informal; simplified form

略 originally conveyed a plan sketched over fields (田), with the sense of trimming details. By extension it covers “to omit,” “to condense,” and strategic planning where essentials are kept and excess is cut.

彼かれは 戦略せんりゃくを 考かんがえている。
He is thinking of a strategy.

説明せつめいを 省略しょうりゃくします。
I’ll skip the explanation.