How do platform SWAPs come about and what factors affect them?

What is slippage?

Why is the overnight interest rate on Wednesdays triple what it normally is?

What is a Sell Limit Order?

What is a Buy Limit Order?

What is a Sell Order?

What is a buy order?

What is a pending order?

What is a Market Order?

What does margin mean and how is this calculated?