Alignment is a trend, a direction or a feature of something or someone. It is to comply with the attitude of a person or settle on something. For example, a president can make a decision and say that it meets its "political alignment. In other words, it is in harmony, that is, it is related or in accordance with his ideology or his party political.
This term may also be used to appoint a set of orders or instructions that a leader imposes on those who follow or who are subordinate to him. To resume the political example, an agent may apply to a Minister to renounce his position if he acts contrary to its alignment, i.e., if it is not in line with his orders or on the same line.
In addition, non-alignment means any policy of neutrality on two antagonistic blocs (Western or Communist) during the cold war by some States of the developing countries.
In law, an alignment is a formal demarcation of a highway (which may already exist or being created), from the Administration on the basis of an alignment plan. The owners concerned, which enjoy certain guarantees are notified (they receive individual alignment).
Then, in the simplest sense, the alignment is the action or the effect to align or to obtain a straight line formed by items placed one next to the other, it is the fact of placing something or oneself on the same line.