The act of filling an order to buy or sell a security. That is, when a broker executes an order, he/she actually makes a trade on behalf of the client. The date of execution is known as the trade date.
To complete, as by signing a contract or signing and delivering a deed.
Don't permit computer users to download an executable program from a public bulletin board and run it on the firm's computers without first performing some software acceptance procedure to ensure it is virus-free.