OpenGL - Vertex Array

Beside vertex arrays, there's also:

GL_COLOR_ARRAY, 

GL_INDEX_ARRAY, 

GL_NORMAL_ARRAY, 

GL_TEXTURE_COORD_ARRAY, and 

GL_EDGE_FLAG_ARRAY

The first is that you call this function for enable the array:
glEnableClientState(GL_VERTEX_ARRAY);

Then you set the data:

static GLint data[] = {

    1, 1,

    3, 3,

    5, 1

};

After finishing it, try
glVertexPointer(2, GLint, 0, data);

Then the last is:

glBegin(GL_TRIANGLES);

    glArrayElement(2);

glEnd();

See more on: http://glprogramming.com/red/chapter02.html

OpenGL - Vertex Array