Belief Means Faith, Faith Means Belief - Quick & Clear Bible Study

When a person says you need to "believe in Jesus as your Savior" or need "faith in Jesus as your Savior", do these two expressions mean the same thing? What does this mean?

Verses used in this study:
John 3:16,18
John 6:35,47
John 20:31
Acts 16:30,31
Galatians 2:16
Ephesians 2:8,9
Colossians 1:21-23
Colossians 2:6,7
2 Thessalonians 1:3,4
Galatians 1:6,7