That is the chapter of John, chapter 14 that Jesus Christ is having his last real talk with his disciples.
Need to read the whole chapter in get the full context of verse 16.
The discourse between Jesus and his disciples is about the 2 asking him where is that father and Jesus tells them that if they have seen him, they have seen the father.
That he was in the father and the father in him.
That he goes to the father and greater works ( healings, miracles, preaching the Gospel of Grace ) that they will do.
After verse 16 he tells them that he will send the comforter to them, the Holy Spirit.
He’s telling to “ Keep these teachings “ the things he tells them, keep them, don’t forget what he has said.
Even the FATHER had commanded his SON to come here, Jesus Christ fulfilled every command, every word the FATHER told him to do.
He’s telling to keep the words that he is telling them about him being in the FATHER and the father in him.
He’s telling them to keep his words, his sayings, his teachings that he will go to the father and that he and the father will be in them, and comfort them by the Holy Spirit, and that they too will do greater works than he.
They do not understand the idea of context ...hermeneutics is a mystery to them
I have. I don't see why following the commandments is something imply's only that "He’s telling to keep the words that he is telling them about him being in the FATHER and the father in him"
You've made a study of scripture, and you would know that a passages context does not always begin with the chapter number, which was an index added later than when the scriptures were written down.
His commandments are pretty clearly understood to be things to be practiced after he has Gone to the Father.
For example, Jesus earlier says this in the same discourse:
"A new commandment I give to you, that you love one another; even as I have loved you, that you also love one another. By this all men will know that you are my disciples, if you have love for one another." Jn 13:34-35