It is called leading.
Oh, dude, that's easy! The space inside a circle is called the "interior" or the "area." It's like the VIP section for all the points that are chilling inside the circle. So, yeah, it's where all the action happens... if circles could have parties, that is.
parallel
In 2-dimensional space, it is the difference between their y-coordinates, in 3-dimensional space, it is the difference between their z-coordinates.
Vertex
The space between your toes is called the interdigital space.
The space between your eyebrows is called the "Glabella."
An object in space that circles around another object is called a satellite. Satellites can be natural, such as moons orbiting planets, or artificial, like man-made spacecraft orbiting Earth.
The space between the legs is called the crotch or groin area.
The space between the vocal cords is called the glottis. It is the opening between the vocal folds that allows air to pass through when we speak or sing.
The space between letters in printing (or typography) is called tracking.
space, or outer space
It is called leading.
In typesetting the space between lines is called lead or leading. The space between letters is keening.
It is called Negative Space.
they are called ---et
The space between the main parts of a painting is called negative space. Negative space refers to the area around and between the subject(s) of a painting, which helps define and emphasize the main elements of the composition.