3D Studio Max Freezing Urdu Tutorial

You can freeze any selection of objects in your scene. By default, frozen objects, whether wireframe or rendered, turn a dark gray. They remain visible, but can’t be selected, and therefore can’t be directly transformed or modified. Freezing lets you protect objects from accidental editing and speeds up redraws.
You can freeze one or more selected objects. This is the usual method to put objects "on hold." You can also freeze all objects that are not selected. This method lets you keep only the selected object active, useful in a cluttered scene, for example, where you want to be sure no other objects are affected.

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3D Studio Max Hide & Unhide Urdu Tutorial

You can hide any objects in your scene and you have the option to hide any selection of objects or to hide anything except your current selection of objects. Hidden objects differ from frozen objects in that they disappear from the viewport instead of turning dark gray. If you are working on a scene that includes many objects or you have many objects in a very tight area, hiding some of them gives you more access to the unhidden objects and speeds up redraws.
You can hide an object that includes a target (such as target cameras, tape helpers, or suns) by choosing either the head or the target object and then selecting hide.

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3D Studio Max Clone Instance Tutorial

Instances the cloned objects' transform controllers below the top level of the cloned hierarchy. With instanced transform controllers, you can change the transform animation of one set of linked children, and automatically have the change affect any cloned sets.
This allows you to animate all clones identically with a single animation setup. For example, consider a scene containing three objects named Torso, Thigh, and Calf. The objects are linked hierarchically so that Torso is the parent of Thigh and Thigh is the parent of Calf. Say you select all three objects and then clone them, and choose Clone Options > Controller > Instance. Thereafter, if you transform either Thigh or Calf object, the corresponding object in the other hierarchy is transformed identically, along with any child objects. However, if you transform either Torso object, the other hierarchy is not affected

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