The term position refers to your involvement in a stock. For example: In the position window above, the position in Intel (INTC) is long 2000 shares purchased at the average price of $120.33. If the Intel position was short, the column [net pos] would show -2000. I will explain the other column headings: [last] is the latest trade price, [total profit] is the total profit for the day, [status] is the status of the last order placed against Intel, [buy/sell] is the type of the last order placed, [type] is self explanatory.
Princeton'straining programs incorporate "pause and create" capability. As the training video is showing you the steps to create this or any other chart, you can pause the training video and create part of the chart in Realtick 7, then continue the video. Start and stop as many times as you need to.