Plan ahead.
D000328:Adult; D002648:Child; D005260:Female; D006801:Humans; D007899:Leisure Activities; D008297:Male; D008875:Middle Aged; D009907:Optometry; D010415:Pensions; D010934:Planning Techniques; D011362:Professional Corporations / Q000592:standards*; D011364:Professional Practice / Q000592:standards*