business operations; performing a job; carrying out duties
Formal noun used in business contexts to refer to the execution of work tasks or duties.
The new system greatly improved the efficiency of business operations.
He is highly regarded for his ability to carry out duties.
業務 is a general term for business or work, while 業務遂行 specifically refers to the execution or performance of that work.
遂行 means accomplishment or execution; 業務遂行 narrows this to the context of business duties.
Compound of 業務 (business, work) and 遂行 (accomplishment, execution).