The term "specific task" refers to a particular job, duty or assignment that is given to someone as part of their work or responsibilities. Full definition
How much better and faster would the Pixel be if its internal components were each designed for specific tasks instead of built to fulfill a generic set of requirements? (theverge.com)
They create software that allows users to perform specific tasks on various devices, such as computers or mobile devices. (thebalance.com)
However, because they have a hard time focusing on specific tasks for any prolonged period of time, they can be a bit difficult to train. (petwave.com)