A tree diagram is a flow chart that is utilized to illustrate how one decides to schedule their sequences. This notion of tree diagram is connected to mental grammar.
A sentence may be defined as a group of words that makes sense to convey understandable information to the reader or audience.
"Finding a needle in a haystack would be easier than what we’re trying to do" is a sentence that illustrates the complete and comprehensible information to the readers.
"When the V.P starts" is a phrase, which consists of only two to three words but does not convey a clear sense of understanding.
Therefore, it is well described above.
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