Ключевые слова: abstract, audio, balance, black, blue, bstyle, business, checkmark, clarity, climate, communication, concept, ecofriendly, emblem, environmental protection, essentials, flat, guard, icon, illustration, innovation, metaphor, microphone, minimalism, modernity, natural environment, nature, protection, recording, representation, s2, safe, security, shield, shield design, simple, simplicity, sound, speech, sustainability, tech, technology, tree, verification, voice, web,