(idiomatic) That is usual, expected, not extraordinary.

(business) The practice of running business transactions and applications on mobile devices.

(business, operations) A person who analyzes the operations of an organization in order to develop a solution to its problems.

A young woman employed in business or office work. / (idiomatic, euphemistic) A female prostitute.

The central area of a city in which there is a concentration of certain retail and business activities, especially in older cities with rail transportation.

Discharging one's obligations must take precedence over devoting time to pursuits meant solely for one's own gratification.

(business) An interdisciplinary concept used to create and validate a practiced logistical plan for how an organisation will recover and restore interrupted critical functions within a predetermined time after a disaster or extended disruption.

(idiomatic) To commit oneself to a task or activity that is employment-related or that requires serious effort or concentration.

(idiomatic) A matter that someone is not entitled to be involved in or informed about.

The last item on the agenda for a meeting, when any matter not already dealt with may be raised. Abbreviations: a.o.b., AOB.