There are no good standard vaha mea glyphs in the K text (and neither are there any in Tahua). By a lucky coincidence, however, we can anyhow get valuable information from K:

 

From Metoro's standard phrase tapa mea ('red cloth') for the glyph type below, it follows that vaha mea in Ga1-4 very well can mean 'red opening' - the parallel Ka1-3 exhibits the same 'feather marks':

Metoro has here helped us to understand not only that 'feather marks' towards right mean 'mea', but also - and more important for the present investigation - that the glyph type vaha mea probably indeed implies red.

The open ends in the henua (in Ka1-3) indicate 'in the dark', 'ghostly' or similar. In Ga1-3, on the other hand, another sign is used, viz. a reversed bent henua - with about the same meaning of 'not in the light', 'obscure', 'occult'.