it's a wedding ceremony. The chuppah itself is what the bride and groom stand under, but most people call the ceremony itself a chuppah
At a Jewish wedding the groom stands next to the bride, on her left; both of them facing Jerusalem.
The Rabbi reads the Ketubah (wedding vows) as the bride and groom stand under the wedding canopy (Chuppah) in the presence of the guests. Then he says seven blessings over a cup of wine, and the groom places a ring on the bride's finger and ceremoniously declares that he is betrothing her.
By the groom.
The best wedding clothes they can get.
The wedding canopy, or chuppah, represents the home of the new bride and groom. Having the sides open symbolizes an open invitation to guests into their home, as Abraham and Sarah did with their tents.
A wedding arches is a decorative element that frames out the bride and groom it also draws your eyes to the front of the wedding ceremony venue were the bride and groom are standing. In religious or cultures it can resent the home like chuppah do in a Jews wedding.
At Orthodox Jewish weddings, the groom is escorted by both fathers and the bride is escorted by both mothers. At modern Jewish weddings, the bride and groom are escorted by their parents.
At a minimum, it requires a bride, a groom, and two witnesses. Everything else depends on what kind of wedding the bride wants.
The groom should buy the engagement and wedding ring for his bride to be and the bride to be should buy the groom's wedding band.
It is a Jewish custom for the bride and groom to fast on their wedding day since it is called a day like Yom Kippur, the holy day of atonement where one's sins are forgiven and one can start a new life; one of improvement. The wedding itself is a rebirth of two single people into the new entity of marriage in which they must learn to live with each other in beginning their new life. The fast lasts only until after the chuppah (wedding canopy). After that, the couple joins in the celebratory feast with everyone else.
Most traditionally, the groom would wear the skull cap during a Jewish wedding. In certain Jewish communities the prayer shawl is draped over the bride and groom while they are under the Chuppa (wedding canopy).