Can any one tell me what does this mean please?

What does CP and COM here mean that are attached in the NP following the V?

I don’t think this notation is mainstream, looks too escoteric for a lay person like myself.
My guess is it is used by translation software developers in their attempts to create a tranlation program or something.

Well can you then explain what are these constituents of the Verb Phrase?

Staying far away from grammarians, my guess they are:Verb/Verb Phrase/Noun/NPhrase/Determiner/Comparison/…?

I’d say that CP means ‘Complement Phrase’, and COM means ‘Complementizer’.

Complementizer

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