It is important to mention that the thought processes are not detached from the metacognitive strategies as these require us to be aware of the tasks performed have a knowledge of procedures for its implementation and to check constant in order to identify whether the actions are in line with objectives. The observation i accomplice to identify the characteristics and stimuli of objects and situations through the senses and the integration of these into a whole that represents the mental image of the object, ie observation, in the first place of the meeting raw sensory data, and then, its content, ie what one has seen, heard, understood, felt, etc. The observation process is a process of permanent identification of the subject with its environment. There is an abstract level that refers to variables that are not, but that are predicted; note is talking about and how it has different levels: concrete, abstract, directly and indirectly. The individual learns through observation of their environment, guided by questions ranging from general to particular.
The description is the process used to represent objects, people or situations through written language, visual or verbal, is to list and orderly integration of the different qualities or properties that form the subject of an alert. The descriptions can be concrete or static when appointing only the components of a graph or situation point to point, without integrating the data and characteristics of what is observed. They are dynamic or more complex, as also set out actions and the characters are linked together, attributing emotions, ie when the construction of the description made so spun, this type of description is important for strengthening the level of understanding in students.