Activity - set of interrelated tasks, drafted in seasonal, cyclical or routine that contribute to the achievement of at least a goal as well, taking into account the specificity of the product, allow the identification results and the respective methods. Most of the time the activity has a close bond with certain need from what raises the demand. At the time in which an activity takes place, either of individual or collective character, appears the psychic reflection of reality and there is at this point in which the formation of consciousness is produced .The option to perform a work is another application that you can give to the term and many professionals continue to perform the same activities over the years and remain active in the activities they perform.Accomplish a task, run a job, build a work, instruct others, wield a machine , etc. are examples of activities. When a subject performs an activity with efficiency and diligence, the use of the term becomes patent and facilitates the understanding of the concept as a whole. Also we can conceptualize the term activity as a set of operations specific to a person or a company that are closely related to the same, a business activity, an activity teaching, etc .