Normal
For a woman, casual would be blouse and skirt or slacks, something like youmight wear for a night out, for men a polo or short sleeve shirt and casual dockertype slacks, staying a cut above jeans and tank tops will usually be fine.Informal would be a step up, as a nice dress or skorts outfit for women but shortof being all decked out and a jacket or blazer with or without tie for men.
For a woman, casual would be blouse and skirt or slacks, something like you
might wear for a night out, for men a polo or short sleeve shirt and casual docker
type slacks, staying a cut above jeans and tank tops will usually be fine.
Informal would be a step up, as a nice dress or skorts outfit for women but short
of being all decked out and a jacket or blazer with or without tie for men.