Question

what is Reference point

Answer 1

Reference Point is the basis for evaluation and assessment

Answer 2

hey ✌

Reference point is the basis or the evaluation or comparison used to find or describe the location of some thing.

For example,
Suppose one is riding a bicycle whose background consist of one big tree, bicycle starts riding from that point, this point is called "reference point",

it seems to be changing with respect to time and movement of main observing object, but actually don't change its position.

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