Translate only one object

OpenGL OpenGL: Basic Coding
1

i pick on the screen one object . How can i translate only the specific object and not all the objects ?

2

>> How can i translate only the specific object and not all the objects ?

use glTranslate , then draw your object where ever u want , use glLoadIdentity and then draw other objects

3 
glPushMatrix();
glTranslatef(x,y,z);

//draw your object

glPopMatrix();