Which types of variants can be searched in Mastermind?

What variant formats and nomenclatures are supported in Mastermind?

How do I search for SNVs/indels by genomic positions?

How are insertions and deletions, nonsense, frameshift, and non-coding variants displayed in Mastermind?

How and why does Mastermind group non-coding variants?

Can I search for mitochondrial variants or RNA variants in Mastermind?