执行 means 'to implement' or 'to enforce' — it refers to putting a plan, order, policy, law, or decision into practical effect. The character 执 (zhí) originally means 'to hold' or 'to grasp', suggesting firm control or commitment; 行 (xíng) means 'to go', 'to act', or 'to carry out'. Together, they convey the idea of actively and resolutely carrying something forward — not just thinking about it, but doing it. This word is commonly used in formal, official, or professional contexts, such as government administration, business management, legal enforcement, medical treatment protocols, and organizational procedures.

It often appears after nouns indicating what is being implemented — for example, 执行命令 (carry out an order), 执行计划 (implement a plan), or 执行手术 (perform a surgical procedure). Unlike more casual verbs like 做 (do) or 办 (handle), 执行 carries a sense of authority, obligation, and procedural correctness. It implies adherence to rules or standards, making it frequent in documents, instructions, and institutional communication.