Psalm Chapter 45
Psalm 45 is a love and/or wedding song of a king that, like many of the Psalms, has direct Messianic qualities i.e. "Let us rejoice and exult and give him the glory, for the marriage of the Lamb has come, and his Bride has made herself ready; it was granted her to be clothed with fine linen, bright and pure - for the fine linen is the righteous deeds of the saints." (Revelation 19:7-8 RSV)
"To the choirmaster: according to Lilies. A Maskil of the Sons of Korah a love song.
My heart overflows with a goodly theme; I address my verses to the king; my tongue is like the pen of a ready scribe.
You are the fairest of the sons of men; grace is poured upon your lips; therefore God has blessed you for ever. Gird your sword upon your thigh, O mighty one, in your glory and majesty! In your majesty ride forth victoriously for the cause of truth and to defend the right [see Christ the Conqueror For Peace]; let your right hand teach you dread deeds! Your arrows are sharp in the heart of the king's enemies; the peoples fall under you. Your divine throne endures for ever and ever. Your royal scepter is a scepter of equity; you love righteousness and hate wickedness. Therefore God, your God, has anointed you with the oil of gladness above your fellows; your robes are all fragrant with myrrh and aloes and cassia. From ivory palaces stringed instruments make you glad; daughters of kings are among your ladies of honor; at your right hand stands the queen in Gold of Ophir.
Hear, O daughter [see Daughter of Zion], consider, and incline your ear; forget your people and your father's house; and the king will desire your beauty. Since he is your lord, bow to him; the people of Tyre will sue your favor with gifts, the richest of the people with all kinds of wealth. The princess is decked in her chamber with gold-woven robes; in many-colored robes she is led to the king, with her virgin companions [see The Parable Of The Ten Virgins], her escort, in her train. With joy and gladness they are led along as they enter the palace of the king.
Instead of your fathers shall be your sons; you will make them princes in all the earth. I will cause your name to be celebrated in all generations; therefore the peoples will praise you for ever and ever." (Psalm 45:1-17 RSV)
Psalm Chapter 46
"Zion" (see the Fact Finder question below) is often misunderstood to mean merely a homeland/stronghold of physical people. It's much more.
"To the choirmaster. A Psalm of the Sons of Korah. According to Alamoth. A Song.
God is our refuge and strength, a very present help in trouble. Therefore we will not fear though the earth should change, though the mountains shake in the heart of the sea; though its waters roar and foam, though the mountains tremble with its tumult. [Selah]
There is a river whose streams make glad the city of God, the holy habitation of the Most High. God is in the midst of her, she shall not be moved; God will help her right early. The nations rage, the kingdoms totter; He utters His voice, the earth melts. The Lord of hosts is with us; the God of Jacob is our refuge. [Selah]
Come, behold the works of The Lord, how He has wrought desolations in the earth. He makes wars cease to the end of the earth [see The Coming World Dictator]; He breaks the bow, and shatters the spear, He burns the chariots with fire! "Be still, and know that I am God. I am exalted among the nations, I am exalted in the earth!" The Lord of hosts is with us; the God of Jacob is our refuge. [Selah]" (Psalm 46:1-11 RSV)
Psalm Chapter 47
God's true people (i.e. anyone who truly obeys Him) understand that the only safe place in the world is in obedience to The Lord (see Where Is Your Place Of Safety?).
"To the choirmaster. A Psalm of the Sons of Korah.
Clap your hands, all peoples! Shout to God with loud songs of joy! For The Lord, the Most High, is terrible, a great king over all the earth. He subdued peoples under us, and nations under our feet. He chose our heritage for us, the pride of Jacob whom He loves. [Selah]
God has gone up with a shout, The Lord with the sound of a trumpet. Sing praises to God, sing praises! Sing praises to our King, sing praises!
For God is the king of all the earth [see High Priest to King of The World and The Throne Of God, From Heaven To Earth]; sing praises with a psalm! God reigns over the nations; God sits on His holy Throne. The princes of the peoples gather as the people of the God of Abraham. For the shields of the earth belong to God; He is highly exalted!" (Psalm 47:1-9 RSV)
Fact Finder: "Zion" is entirely about Jesus Christ. How? When?