What is the meaning of the word "abstractly"?

Definitions:

  1. in abstract terms copy to clipboard adverb
    • Abstractly, we can understand the concept of a circle; but in practice, it is difficult to draw a perfect circle freehand. copy to clipboard
  2. in abstract terms copy to clipboard adverb
    • A circle is a simple closed curve which divides the plane into two regions: an interior and an exterior. In a circle, the distance between any point of the circle and its center is constant. This constant distance is called the radius of the circle. The longest distance across the circle passing through the center is called the diameter. copy to clipboard
  3. in abstract terms copy to clipboard adverb
    • A circle is a twodimensional geometric figure. It can be defined as the set of all points in a plane that are at a given distance from a fixed point, which is the center of the circle. The distance from the center to any point on the circle is called the radius of the circle. The length of the longest chord (straight line) passing through the center is called the diameter of the circle. copy to clipboard
  4. in abstract terms copy to clipboard adverb
    • The formula for the circumference of a circle is C = 2r, where r is the radius of the circle. The formula for the area of a circle is A = r^2, where r is the radius of the circle. copy to clipboard