The word 'plant', when used as a noun, can have two meanings. Firstly, it means any member of the Plant Kingdom, which can make its own food from inorganic substances, doesn't have sensory organs,...
A plant can be broadly described as any organism that produces its own food through the process of photosynthesis. Food is any substance that can be safely consumed for nutritional purposes. While...
It might just be semantics.
The words can pretty much be interchanged (and often are), but the difference is probably that a factory may have several plants within its manufacturing complex. A car...