How does visual studio code add a custom hint word collection?

for example, I have 100 business-related words, and I want to be prompted and completed automatically when I enter them in vs code. Do you need to write a plug-in to do that? Thank you


File-"preferences -" user code snippet
just add edits.

or you can use a plug-in called all autocomplete
to complete based on all the open editor contents.
so you can open a list of business terms.
then you can complete it when other files are entered

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