proximal
the anterior
a good reference point is a very large tree when driving on a road
The word you are looking for is "benchmark." A benchmark is a standard or point of reference against which things can be compared or assessed.
That is the correct spelling of the word "basing" to mean establishing a base or reference point for a statement, theory, or experiment.
a point of reference for a measurement
The root word in "reference" is "refer." It means to mention or allude to something in order to provide information or support a point.
An object is moving in relation to a reference point if its position changes with respect to that point over time. By observing the object's changing position relative to the reference point, we can determine whether it is in motion.
the director
The phrase usually used for this is "reference frame".
"Devant" in French means "in front of" or "before." It is commonly used to describe the position of something relative to another object or reference point.
Elevation. "The elevation of a geographic location is its height above a fixed reference point, often the mean sea level."
it is used as a reference or a singular word that sums up your whole post