My personal dictionary of tough words to translate for Portuguese – English translations.
área de atuação: field of expertise, business area, business sector, practice area, area of expertise
atuação: field, business, work, performance
diligências: fact finding and discovery (stage, phase)
implementação: establishment, deployment, implementation, introduction, application, enforcement
orientação: guidance, guidelines, advice, counselling
constituição: incorporation (companies), establishment (companies), constitution (legislation)