"You shall not worship their gods, nor serve them, nor do according to their deeds; but you shall utterly overthrow them and break their sacred pillars in pieces. But you shall serve the LORD your God, and He will bless your bread and your water; and I will remove sickness from your midst. There shall be no one miscarrying or barren in your land; I will fulfill the number of your days."" (Exodus 23:24-26) The literal commandment is that we should "serve the LORD" our G-d. How we should serve Him is not specified in this passage.
"Speak to Aaron and to his sons, saying, 'Thus you shall bless the sons of Israel. You shall say to them:
The LORD bless you, and keep you;
The LORD make His face shine on you, And be gracious to you;
The LORD lift up His countenance on you, And give you peace.'
So they shall invoke My name on the sons of Israel, and I then will bless them." " (Numbers 6:23-27) The literal commandment is that the Aaronic priests should bless the sons of Israel using what is traditionally called "The Aaronic Blessing". How frequently this should be done is not specified in this passage.
"These words, which I am commanding you today, shall be on your heart. You shall teach them diligently to your sons and shall talk of them when you sit in your house and when you walk by the way and when you lie down and when you rise up. You shall bind them as a sign on your hand and they shall be as frontals on your forehead." (Deuteronomy 6:6-8) The literal commandment is that we should bind G-d's words as frontals on our foreheads.
"These words, which I am commanding you today, shall be on your heart. You shall teach them diligently to your sons and shall talk of them when you sit in your house and when you walk by the way and when you lie down and when you rise up. You shall bind them as a sign on your hand and they shall be as frontals on your forehead." (Deuteronomy 6:6-8) The literal commandment is that we should bind G-d's words upon our hand.
"These words, which I am commanding you today, shall be on your heart. You shall teach them diligently to your sons and shall talk of them when you sit in your house and when you walk by the way and when you lie down and when you rise up. You shall bind them as a sign on your hand and they shall be as frontals on your forehead. You shall write them on the doorposts of your house and on your gates." (Deuteronomy 6:6-9)
The literal commandment is that we should write G-d's words on the doorposts of our houses.
"Now therefore, write this song for yourselves, and teach it to the sons of Israel; put it on their lips, so that this song may be a witness for Me against the sons of Israel." (Deuteronomy 31:19) The literal commandment is that we should write the song of Moses" (Deuteronomy 32:1-43) for ourselves.
"Now it shall come about when he sits on the throne of his kingdom, he shall write for himself a copy of this law on a scroll in the presence of the Levitical priests." (Deuteronomy 17:18) The literal commandment is that the king of Israel should write for himself a copy of the law on a scroll in the presence of the Levitical priests.
"Speak to the sons of Israel, and tell them that they shall make for themselves tassels on the corners of their garments throughout their generations, and that they shall put on the tassel of each corner a cord of blue." (Numbers 15:38) The literal commandment is that we should make tassels on the corners of our garments.