can someone give some simple explaination here;

order type:
1-Limit
2-Market

valid for:
1-Session
2-Day

Lower Limit & Upper Limit

erm... actly the valid for is drop down menu mean I can choose either session / day.
mean if i choose day = whole day then session = ? (morning / afternoon) ?

Let me explain

Morning session
Limit Down/Up..
Ref price is the previous day closing price. 30% of the previous day closing price.
TAKE NOTE: THAT THE COUNTER IS ACTUALLY NOT SUSPENDED, YOU CAN STILL BUY AND ELL SHARES. ITS INCORRECT TO SAY THE COUNTER HAS BEEN SUSPENDED BECAUSE ITS NOT.

Limit down
whereby there are more sellers compared to buyers, the counter becomes oversold. (limit up is the opposite of this)

will affect the entire morning sessions price.

Afternoon session
Limit down/up
Ref price is the price of the previous session. 30 % of the morning sessions price.

The afternoon session prices will be affected.

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Effect is?
You will see one price for the entire session of that day and a whole bunch of people Queueing but no matches.
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Other special limit down/up scenario...
2 consecutive day limit down/up the nxt day would also be subjected to a limit down/up (this one someone has to check, forgot if it was 1 2 or 3 days but i know it must be consecutive)

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I have some question, if I put 90 lot at 0.85 my sell price, and suddenly some weird person bought 100 shares (worth Rm 85) this morning and I'm losing 1 lot (now 89 only), how much do I need to pay for the trade? or still minimum Rm 12 even a little trade?  .

I just bought the shares yesterday.