Both Hebrew and Greek words for Vision have the meaning of gazing wide and open eyed at something remarkable - awed by the beauty and filled with joy. It varies in meaning from being a very real, tangible experience to simply a mental perception.
One Hebrew word (Roeh) is the same as the name of a bird at that time, similar to a vulture. It was so called due to it's sharp eyes.
Hebrew Words:
(1) Chazon (Noun,Strongs 2377) - Divine Revelation (eg. 1 Sam 3:1)
(2) Chizzayon (Noun,Strongs 2384) - Prophetic 'vision' (eg.2 Sam 7:17)
(3) Chazah (Verb,Strongs 2372) - To see, behold (eg.Prov 22:29)
(4) Roeh (Strongs 7203) - A Seer or vision (eg.1 Sam 9:9; Isa 28:7)
Greek Words:
(1) Horama (Strongs 3705) - That which is seen:
- A spectacle,Sight (eg. Matt 17:9 - Jesus transfigured)
- Appearance, Vision ( Acts 9:10)
(2) Horasis (Strongs 3706) - Sense of sight (eg. Acts 2:17; Rev 9:17)
(3) Optasia (Strongs 3701) - The act of seeing (eg. Luke 24:23)