Also called Sacred Scripture or the Scriptures; It is a collection of sacred books accepted by the Church as the divinely inspired. It is the account of God's self-communication about Himself and His plan of salvation for the human race, especially through Jesus Christ, the summit of revelation.
The Bible is the written Word of God, composed by human authors who were guided and inspired by the Holy Spirit.
Generally written for everyone. Some texts were written for specific audience in a particular cultural, historical, and spiritual setting but always contains universal truth.
To correctly understand the bible and it message, aside from prayer, sacred tradition, and the community (magisterium) it is critical to know the purpose of the author and book, the audience for which a particular book was written for, and the cultural, historical, and religious settings of the time.
The Catholic Canon contains 73 books in the Old Testament, 46 books and 27 books in the New Testament.