The Greek letter alpha (Α, α) is the first letter of the Greek alphabet, corresponding to the Hebrew aleph. As Strong's G1, it represents the letter itself and, in biblical usage, its theological significance as the first, the beginning, the ultimate origin. In the Book of Revelation, Jesus applies it to Himself in the title "I am the Alpha and the Omega" (Revelation 1:8; 21:6; 22:13) — the first and the last letter of the Greek alphabet, signifying that Christ encompasses the entire span of existence from beginning to end.
The divine title "Alpha and Omega" (and its Hebrew parallel "Aleph and Tav") is one of the most majestic self-declarations in Scripture. When God declares Himself the Alpha and Omega, He asserts: (1) Absolute primacy — He was before all things and caused all things. (2) Absolute finality — all things move toward Him and are consummated in Him. (3) Comprehensive sovereignty — everything between first and last is under His governance. This title appears three times in Revelation — spoken by "the Lord God" in 1:8 and 21:6, and by Jesus in 22:13 — confirming the full deity of Christ. Colossians 1:16–17 echoes: "All things were created through him and for him... and in him all things hold together." Alpha is not just a letter; it is a declaration of who Christ is.