An edge
Line, Ray and segment
line segment
Segment: The length of one side of an object only measuring the length of that individual side. For Example: Line Segment AB measures 2 in.
An arc (segment of a circle) has one straight side, and one curved side.
Its physical dimentions
For any segment base address, segment first physical address will have 0 in the least significant position in hexadecimal format. Let say, our Segment base =0x1234, and we calculate segment first physical address as 0x12340
An object's size is a physical property of the object.
No, "Metropolis" is an abstract noun because it refers to a concept or idea rather than a physical object.
Two dimensions object
"Unhappiness" is a abstract noun, as it represents a non-physical concept or idea rather than a tangible object.
Yes, "justice" is an abstract noun. It represents a concept or idea rather than a physical object.
Yes, detention is an abstract noun because it refers to a concept or an idea rather than a physical object.
A physical possession is a tangible object that you own. Meaning that you actually own the object, can prove it and show it to others, as opposed to an idea or thought that you say is yours, but cannot claim ownership. IE: an invention that you do not own a patent on (this is considered intellectual property.)
An edge
Truth is an abstract noun, as it represents a concept or idea rather than a physical object that can be counted.
No, "expert" is an abstract noun because it refers to a concept or idea rather than a physical object that can be touched or seen.