The title template can be used for tag generation (for example for Etsy) and for titles generation.
When you use it for Etsy tags, just separate you tags by free field with ";" :
Each ";" symbol separates one tag from another.
When you prepare Tags template you don't need any priority settings for any value,
When you do the same for titles it can be very useful.
And to change spaces and priority just switch to Advanced mode in right corner of template creation page:
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