Well you might want to organize your point first. Also, when you are giving a percentage, add it to the sentence because they don't need parentheses one organized. Before I give you and answer, where is this Spanish from because I am from Mexico and don't understand the others
Basic is to luxurious as common is to unique.
Answer:
Hey, so people use sign language to communicate with other people who cant hear or talk so they use there hands to differnt signals so they can communicate with their loved ones or others since there unable to speak.
Explanation:
Kon'nichiwa watashi wa saidaidesu