Plain weave (Tabby weave)
Plain weave definition
Often interchanged with the term tabby weaving, plain weave is a simple weave structure. One weft passes over one warp end and under one warp end. The adjacent warp end and weft pick reverse the actions of the first. The minimum number of threads required for plain weave is two warp threads and two weft threads.
When a draft instructs you to “use tabby”, this means to alternate a pattern row with plain weave. Drafts do not usually show all the tabby picks. Often there is a treadling notation that states “use tabby.”
Just because it’s called plain weave doesn’t mean it has to look plain, as this plain woven scarf demonstrates.