This varies widely as there are many Pentecostal denominations, each with its own practices.
Like other denominations worship includes songs, music, and prayer. However in some Pentecostal denominations dancing, speaking in tongues, slayings in the spirit, handling poisonous snakes, drinking poison, and other often very bizarre seeming practices done as demonstrations of faith may be included in a worship service.
The saints are the important people in the pentecostal church.
Certainly - many Pentecostal churches are fine Christian churches. Some of their practices and beliefs might be different from my Presbyterian church, but I wouldn't have a problem attending one.
A classical Pentecostal church would be the Assembly of God Church.
The Pentecostal church STRONGLY discourages divorce.
Elim Pentecostal Church was created in 1915.
International Pentecostal Holiness Church was created in 1911.
Indian Pentecostal Church of God was created in 1924.
The people worship in a church.
Anyone is allowed to go to a Pentecostal church.
There is no "name or title". These are just everyday people who enjoy going to a pentecostal church. A person who goes to a Baptist church might or might not like being called a Baptist and the same with other denominations. People aren't pentecostals, it's just a name for a style of worship. Within Christianity (Protestantism) there are Baptists, Presbyterians, Methodists, Uniting, AOG, Pentecostals, etc. Jesus isn't going to ask "What church did you go to", A person either belongs to Him or not.
Apostolic Church of Christ - Pentecostal - was created in 1969.
God is Love Pentecostal Church was created in 1962.