Author: Microsoft Corporation. The VBX file extension is used to refer to custom control files created in the Visual Basic programming code. VBX custom control files are written with internal interpretive language code that can run immediately after they are written.uthor: Microsoft Corporation. The VBX file extension is used to refer to custom control files created in the Visual Basic programming code. VBX custom control files are written with internal interpretive language code that can run immediately after they are written.
Natural phenomenon. A natural phenomenon is not an engineered event manufactured by humans, although it may affect them. Common examples of natural phenomena include sunrise, the weather, decomposition, free fall and erosion.atural phenomenon. A natural phenomenon is not an engineered event manufactured by humans, although it may affect them. Common examples of natural phenomena include sunrise, the weather, decomposition, free fall and erosion.
Definition of natural for English Language Learners. : 1  existing in nature and not made or caused by people : coming from nature. : 2  not having any extra substances or chemicals added : not containing anything artificial. : 3  usual or expected.