• 行いく — to go
• 旅りょ行こう — travel
• 銀ぎん行こう — bank
• 行動こうどう — action / behavior
• 行事ぎょうじ — event / function
• 実行じっこう — execution / carrying out
• 横行おうこう — prevalence / going unchecked
• 逆行ぎゃっこう — moving backward / retrogression
• 行おこなう — to carry out / to hold

行 originally depicted a crossroads or path, representing movement and direction. Over time, it also came to mean "to do" or "to perform," making it one of the most flexible and commonly used characters.

あした京きょう都とに行いきます。
I will go to Kyoto tomorrow.

会かい議ぎは 午前ごぜん10時じから行おこなわれます。
The meeting will be held from 10 a.m.