Ключевые слова: abstract, accepted, agreement, app, approval, approve, approved, arms, business, certificate, certified, check, checklist, checkmark, color, colored, compliance, computer, concept, confirm, control, defense, design, element, emblem, feedback, flat, guarantee, guard, icon, key, lined, mark, outline, pictogram, protection, quality, safe, safety, secure, security, shield, sign, standard, success, symbol, thin, tick, web,