The decision is made by an actor (or a more or less coherent set of actors) who makes a choice between several solutions likely to solve the problem, or situation, with which he is confronted. Generally speaking, a decision is the action of the mind that decides something or is decided after individual or collective deliberation:in psychology, a decision is the deliberate and deliberate action of the mind that is determined by the choice of one of the outcomes at the end of a deliberative process;in law or in administrative fields, a decision is a provision adopted by a single or collegial competent authority after deliberation, or a service instruction from a hierarchical authority (e.

g. , a decision by a person or a group of persons); in law or in administrative fields, a decision is a provision adopted by a single or collegial competent authority after deliberation, or a service instruction from a hierarchical authority (e.

g. , a decision by a person or a group of persons); in law or in administrative fields, a decision is a provision adopted by a single or collegial competent authority after deliberation: In economics, micro or macro decisions correspond to decisions taken by simple or complex economic agents; in strategy, the decision is first and foremost a courage constantly opposed to the detractors, applied to a situation of uncertainty, proving to be perceptive in its ability to anticipate and constantly updated to adapt to the hazards of adversity.

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