Major players in the drama of 19th-century Texas were definitely the Comanches who at this time swept down from the cool highlands of the southern Rockies, and, mounted on horses, drove other tribes from West Texas.
What is SOUND? The periodic mechanical vibrations and waves in gases, liquids and solid elastic media. Specifically the sensation felt when the eardrum is acted upon by air vibrations within a limited frequency range, ie 20 Hz to 20 kHz. Sound of a frequency below 20 Hz is called infra. STRUCTURE-BORNE SOUND.
The definition of sound is someone or something that is in good condition. An example of sound is a well made chair. Sound is vibration in air and water that stimulate the nerves inside the ears to create the sensation of hearing. An example of sound is music. An example of sound is voices. The definition of a sound is a wide channel or strait linking two large bodies of water.