The first picture points out the last done, best buy, best sell options. Since this will need to be explained in detail, I'll explain in point form:
Last Done Price - Basically, the price that is quoted on your screen or anywhere on the news websites. Last done may not necessary mean that they will buy or sell to you at that price as some of the trade transacted are only 1 lot. The last done can be a seller in that trade or a buyer.
Best Sell Price - When looking at the best sell price or the ask price, that is the price you want to look if you want an instantaneous buy order or in layman term, the market order. If you are confident that a stock/warrant is going up, you can immediately purchase at best sell price. The best sell price is usually referred to the right hand side of your market quotation. Alternatively, if you want to sell your stock/warrant at the best sell price, you can do so but the order will be queued until a buyer matches your order.
Best Buy Price - When looking at selling the stock immediately at market order, look no to the best buy price, sometimes referred to as the bid. The best buys is usually used to sell, though like the best sell, you can choose to buy at this price but your order will go in queue. The best buys are referred to the left hand side of your market quotation.
The second picture from above to below,
Minimum quantity - The minimum number of shares you want i.e. you queue to buy 10k shares but you also want give or take 5k shares and above. The order will not match unless it fulfils the criteria.
Minimum order amount - Same as minimum quantity but stated in currency form or in this example, RM.
Minimum order price - Pardon me, this one I am not really clear of as I have never done this but it explains how do you want to buy or sell your stock? Buy when it is at 5 bids above or you want to wait until the price drops 5 bids and only your order gets executed. Guess it is something like a stop price.
Short answer, both at buying or selling or both, depending what trade you transacted on a regular business day.