It’s either a fat based vehicle and you need the lecithin. Think like this:
Edibles are like a
Birthday card-> cannabinoids
Sent in an
Envelope-> fat
That the
Postman-> lecithin
Has to deliver
Street/access to building-> under your tongue, liver and the digestive tract (intestine)
Tincture
Is like having an
Email account-> alcohol
Where you get
Email-> cannabinoids
In alcohol it’s almost instantly because the cannabinoids ( both alcohol and fat soluble) are more accessible (the cannabinoids THC-A or THC if decarbed, CBD cbg etc) rather than in fat because of our poor ability to absorb pure fat aka oils and cannabutters.
I hope I make sense here 
High proof alcohol (tinctures made with everclear aka green dragon look up @ReikoX thread)