Glossary
Extrude
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Extrude an item (blender doc reference)
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Knife Projection
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Knife Projections allows for vertices of an object to be transferred onto another. Please see the excellent entry in official Blender documentation.
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Normals
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Normals refer to the orientation of the faces. Think of it like the covers of a book. A book has a front cover and a back cover. For a 3D object, say a cube, we expect the faces looking outside to be like a 'front cover', and the faces looking inside to be like a 'back cover'. Sometimes in Blender, the orientation of all or some faces will be messed up. In such cases we need to recalculate normals. To do this, we select all or some faces, and hit SHIFT+N in Edit Mode to recalculate the Normals 'outside'. To calculate them 'inside', we hit CTRL+SHIFT+N.
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Open Data Benchmark
Category: Blender
Open Data Benchmark is a user contributed resource for all possible hardware on which Blender was tested. A certain metric tells us how performant a device is when we run Blender on it. This test is mostly render speed, which is an acceptable way to testing overall performance of the device in question.
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Transformation
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Transformation refers to the fundemental operations that we can exert upon an object in 3D space. These are MOVE, ROTATE and SCALE. Within Blender we use these three operations frequently. For more information, refer to this old Blender documentation on basics of transformation.
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