# What does “Vector” mean in nodes as input and output?

What does Vector mean in nodes input and output in Blender?

Please explain in simple words

• Vector refers to something that is located in 3D (for instance a point on a surface or volume) or 2D space (i.e a point on a texture). A vector is characterized by 3 values usually named X, Y and Z in 3D space. – lemon Sep 11 at 17:09
• Vector is a class that contain 3 or 4 number. In Blender, Vector is a python class under mathutils which provide a lot of useful function to deal with 3D math problem. See the DOC here – Hikariztw Sep 12 at 6:00