In line skates, otherwise known as rollerblades, are a popular form of recreational activity for those who enjoy exploring their surroundings in a unique way. However, there are a variety of synonyms for the term "in line skate" that can be used interchangeably, including roller blades, in-line skates, roller skates, and in-line roller skates. Additionally, there are variations of this activity that fall under different names such as inline hockey, roller derby, freestyling, and powerblading. Despite the different names, all of these activities involve the use of wheels that are attached in a line to a boot or shoe, allowing for a smooth, fast-paced ride.