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Basically, these are all titles for the prophesized Messiah predicted in the Old Testament, whom the Israelites look forward to for their salvation. They are used as titles for Jesus to signify that He is the Messiah, and has fulfilled prophecy.

 Daniel wrote down his vision which prophesized the coming of Messiah in a human-divine figure (one like a son of man), one who is given authority, glory and sovereign power by God to rule over all the nation and peoples of every language. Jesus calls Himself “the Son of Man” more than 80 times in the Gospels, not merely “a son of man” (ordinary male human being), but the greatest and most notable son of man of all time spoken by God right back in Genesis, who will crush sin on its head.

¹³ “In my vision at night I looked, and there before me was one like a son of man, coming with the clouds of heaven. He approached the Ancient of Days and was led into his presence. ¹⁴ He was given authority, glory and sovereign power; all nations and peoples of every language worshiped him. His dominion is an everlasting dominion that will not pass away, and his kingdom is one that will never be destroyed. (Daniel 7:13-14)

⁵⁰ Jesus said, “You believe because I told you I saw you under the fig tree. You will see greater things than that.” ⁵¹ He then added, “Very truly I tell you, you will see ‘heaven open, and the angels of God ascending and descending on’ the Son of Man.” (John 1:50-51)

¹⁴ So the LORD God said to the serpent, “Because you have done this,

   “Cursed are you above all livestock
   and all wild animals!
   You will crawl on your belly
   and you will eat dust
   all the days of your life.
¹⁵ And I will put enmity
   between you and the woman,
   and between your offspring and hers;
   he will crush your head,
   and you will strike his heel.” (Genesis 3:14-15)

Jesus is the “Son of God”, not in the sense of being created or born, but in the sense of being a Son who is exactly like His Father (God) in all attributes, and in the sense of having a Father-Son relationship with God the Father.

¹ In the beginning was the Word, and the Word was with God, and the Word was God. ² He was with God in the beginning. ³Through him all things were made; without him nothing was made that has been made. ⁴ In him was life, and that life was the light of all mankind. ⁵ The light shines in the darkness, and the darkness has not overcome it. (John 1:1-5)

The prophet Nathan spoke of the coming of the Messiah through the line of King David. The genealogy of Jesus (in the gospels according to Matthew and Luke) pointed out that Jesus descended from the royal line of David.

“‘The LORD declares to you that the LORD himself will establish a house for you: ¹² When your days are over and you rest with your ancestors, I will raise up your offspring to succeed you, your own flesh and blood, and I will establish his kingdom. ¹³ He is the one who will build a house for my Name, and I will establish the throne of his kingdom forever. ¹⁴ I will be his father, and he will be my son. When he does wrong, I will punish him with a rod wielded by men, with floggings inflicted by human hands. ¹⁵ But my love will never be taken away from him, as I took it away from Saul, whom I removed from before you. ¹⁶ Your house and your kingdom will endure forever before me; your throne will be established forever.’” (2 Samuel 7:11-16)