The first mystery of the Rosay happened first: the Annunication.
Announce each mystery by its number, type, and name; as in: "First Joyful Mystery... The Annunciation of Gabriel to Mary..."
the sorrowful mystery
In one way or another every mystery of the Rosary contains Our Blessed Lord.
the joyful mysteries
The finding of Jesus in the temple
The first part of the rosary is reciting the creed.
The Apostles' Creed is prayed in the Rosary. It is the first prayer in the Rosary.
The mysteries of the rosary that contain Jesus preaching about the kingdom of God are the Luminous Mysteries. Specifically, the first Luminous Mystery, the Baptism of Jesus in the Jordan, and the second Luminous Mystery, the Wedding Feast at Cana, focus on Jesus' ministry and teachings about the kingdom of God.
pope john paul gave us the luminous mystery which is added to the rosary.
Each section of a rosary is called a decade as it contains ten beads for the ten Hail Mary's that you say while meditating on the mystery.
The Presentation is the fourth Joyful Mystery which remembers Our Blessed Lord's presentation in the Temple.
Yes, it is acceptable to pray only one decade of the rosary. Each decade represents a different mystery and can be prayed individually if desired.