Data Types. Variables are placeholders used to store values; they have names and data types. The data type of a variable determines how the bits representing those values are stored in the computer's memory. When you declare a variable, you can also supply a data type for it.
The differences between jogging and running are not clear-cut. In fact, the words are often used interchangeably. According to the Better Health Channel, the main difference between running and jogging is intensity. Runners sometimes jog for a while before a race or a long run to get their muscles loose.
The key is that both feet are in the air at the same time. By comparison, one foot is always in contact with the ground when you walk. Running is less efficient than walking, as mentioned earlier, precisely because you must propel your body weight through the air. Jogging vs. Running. The movement is similar; running is just faster.