What exactly does being a planning specialist within a company mean? What capabilities are required?

Mainly dealing with data, mainly collecting and organizing project data, making reports, and designing expense control if it is expense planning, but both marketing planning and expense planning are inseparable from data. If you don't learn EXCEL well, it will be very laborious, and you must have strong logic. There are also promotion plans, execution plans, etc. It is mainly the promotion and execution work in the field, and the emphasis is on execution ability.