In which ways can each unique place on earth be characterized?

By the place and region. Place names itself give an area a really unique feature. The name of the place often gives some historical background, like perhaps the founder, or the name may give clues on the features of the area. Another unique characterization are the different types of region. There are three main types of regions including formal region, functional region, and vernacular region. Formal regions are areas where everyone shares common distinctive characteristics. Functional regions are areas that can be used to display information about economic areas. Lastly, vernacular regions are regions that people believe exist as part of their cultural identity.

Amath expression is a collection of one or more terms, which are separated by the signs ( + , - , x , / ).example :   8+b8+b  or  a−3a−3in algebra, an equation is a mathematical statement with two expressions where, each expression is separated by an equal (=) sign. variables can be present on both the sides of the equality (=) sign and we use letters to denote such variables.example 1:   x=4+2x=4+2  , [here, we can observe that the variable is present only on one side of the equation].example 2:   2x+3=x+42x+3=x+4  , [here, we can observe that the variables are present on both side of the equation].