“Working sphere/engagement” and the concept of task in activity theory

The purpose of this commentary article is to present critical analysis of the term ‘engagement’ which some scientists attempt to introduce to the activity theory.Presented commentary demonstrates that the term ‘engagement’ is redundant because activity theory utilizes the concept of task instead of engagement. In activity theory the task is considered as logically organised system of cognitive and behavioural actions oriented toward a particular goal of task. The task always involves goal achievement that assumes motivational components.