Different VCF conventions

[illusional]

Is there a document or good summary of the different types / conventions for VCF? For example, VCF, sites-only VCF, gVCF, pVCF, spVCF. EG:

• A gVCF (Genomic VCF) contains information for every position in the genome - usually by using records that group bands of sites with the same GQ with NON_REF in the ALT block. (Usually has a .g suffix, eg: <sample>.g.vcf)
• A Sites-only VCF is a VCF with only site-level annotations (no genotype data), ie: only the first 8 columns (May have .sites-only suffix, eg: <sample>.sites-only.vcf)
• pVCF (Project VCF) - stores genotypes for an entire cohort, in a 2-D matrix of variant sites and study participants.
• spVCF (Sparse project VCF source), An optimisation of the pVCF to avoid rapid size growth of larger cohorts: https://github.com/samtools/hts-specs/pull/527

I'm interested to know if there are more, (if there's a good "bible" for this,) and what interesting conventions there are for each.

Thanks in advance!

[tcezard]

There isn't such a document at least not on this site. But that might be a good thing to add to the wiki alongside the glossary.