There is a clause Automatic Converstion in Series AA termsheet of Y-Combinator which says
Each share of Preferred will automatically convert into common stock, at the then applicable conversion rate, upon (i) the closing of a firmly underwritten public offering of common stock, or (ii) the consent of the holders of at least a majority of the then outstanding shares of Preferred.
What are meanings of the following in the above clause
at the then applicable conversion rate - What decides the applicable conversion rate, any pointers to few cases may help?
firmly underwritten public offering of common stock
then outstanding shares of Preferred.