I believe you are referring to the Makiwara. It is a flexible board mounted so that the top is about chest high. Karate practitioners punch it repeatedly to improve their technique and strength.
A Makiwara board is a padded board that is used in karate training.
Karate is an Okinawa/Japanese word that is used as is to name the art in other countries. The Germans call it karate, as to almost all other countries.
Many schools and styles teach board breaking, but it is not required in some.
It is going to vary depending on the style of karate and the count used in your school. GojuShiho by name has 54 moves, but you can count it in various ways.
Karate is practiced in bare feet. The karate uniform is called a gi.
Other than general classroom activities, a smart board can be used at home to practise karate chops and flying kicks. It can also be used to iron crumpled clothes.
Karate means open hand, no weapons
Karate Kid's real name is Val Armorr.
Jaden Smith's name was Dre Parker in Karate Kid.
Kata is a Japanese word meaning "Cutting Ground." It is the name used for the patterns used to teach karate to students. It is a way of remembering moves, training the body and improving concentration and focus. Kata is the basis of karate.
Karate-ka - Karate student Sensei means "teacher" Sempai means "Senior" (as in senior karate student)
Not unless it is at the start of a sentence or part of a formal name. Karate is studied in a dojo. He went to the dojo to study karate. He studies Shidokan Karate.
in karate muscles mostly used are leg and arm muscles