customer service duties; serving customers
Refers to the work or tasks involved in interacting with and serving customers, typically in a business or hospitality context.
She is good at customer service duties.
This store provides thorough training in customer service.
接客 is the general act of serving customers, while 接客業務 specifically refers to the duties or work aspect of customer service.
業務 means business or work duties in general; 接客業務 narrows it to customer-facing tasks.
Compound of 接客 (customer service) and 業務 (business duties). The exact historical derivation is uncertain, but the meaning is transparent from its components.