If we want to send data from one shader to the other we'd have to declare an output in the sending shader and a similar input in the receiving shader. When the types and the names are equal on both sides OpenGL will link those variables together and then it is possible to send data between shaders — (this is done when linking a program object).
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Components of a vector can be accessed via vec.xwhere x is the first component of the vector. You can use .x, .y, .z and .w to access their first, second, third and fourth component respectively. GLSL also allows you to use rgba for colors or stpq for texture coordinates, accessing the same components.
Though Lexington is not a small town, it sometimes feels like one, with circles of acquaintance overlapping once, then again; the person you meet by chance at the library or the pool may turn out to be the best friend of your down-the-street neighbor. Maybe that's why people are so friendly here, so willing to be unhurried.
You want to do something, you want to have the bravery to do something original. And there will always be people who are like, the classicists who are like, 'No, but it's got to have this.' In life, there are people like that attached to every single thing that there is. These are the same people that are like, still playing vinyl.