Another thing I want to show you is Lock and Unlock. Now what this does is it allows us to basically freeze objects in place so we don't accidentally move or rotate them while we are working on the scene. It's really a very simple function. Let's go ahead and select this house and we'll lock it. We can find it here under Edit > Lock or the other place you can find it is by right-clicking over the object and selecting Lock. And when the object is locked you see it shows up in red. So for example, if I have selected this one and locked it, it would show up in red. But the unlocked ones are shown up in blue.
So, if I select one of these and I try and move it, let's go ahead and select the Move tool here, I can't do it, it say, Nothing Selected. While the house across the street isn't lock and I can certainly move that around. So that gives you an idea as to what Lock does. Now one more thing I want to show you here is in the Outliner, let's go to Window > Outliner. If we scroll down at the bottom here, we'll see that we have two houses that are locked House_01 and House_02. And you'll notice that in the Outliner, we have a little Lock icon that shows up before those objects that are locked.
Now, to unlock things, you can do it one of two ways, you can select the object, right-click and there is an Unlock here, or if we go to the Edit menu, we actually have two options here, here let's go ahead and select this, we can unlock selected, which is a current object, or unlock all objects, and it's as simple as that.
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