Father is a word with Latin origin pater, and represents the father figure of a family, or the parent of a person.
The concept of father is quite broad, and it is not restricted to a person who is the biological father someone. One adoptive father or one foster father, despite not having generated his son, he is still a father.
In society, a father has the function of loving and educating a child, responding to their most for their healthy development in terms of physical, emotional, psychological and spiritual.
When the word parent is capitalized, it usually refers to God, and some expressions used to describe God are: Eternal Father, Heavenly Father, father of love etc.
Our Father
O Our Father is a famous prayer of Jesus found in Matthew 6:9-13. Being an important prayer within the Christianity, the Lord's Prayer is a model of prayer, used by Jesus to teach people how to approach God.
Father's Day
In Brazil, the Father's Day it is celebrated on the second Sunday in August, being a date on which the father's existence is celebrated. On that day, the children pay tribute to their parents through messages, poems and gifts.