The mutual angular position of each planet is known as nazar or planetary aspect. Each planet has a nazar or aspect. In simple terms each planet tends to look at other planets and signs. The planets are in Aspect when they are placed at a certain distance from each other.
The aspects that are beneficial, positive harmonious and easy are considered to be Soft aspects. Contrarily, the Aspects those are difficult, bad or malefic are considered to be
This factor of planetary aspects plays a very crucial role in amalyat.
Here is a chart that will help all of you understand this factor better.