The General Register is a list of bills that have had a second reading and await action by the full House of Representatives. The House Rules Committee usually meets the day prior to session to determine which bills on the General Register will be placed on the Calendar for the Day. Bills placed on the Calendar are debated and may be given a third reading and placed on final passage that day.
General Orders is a list of bills that have had a second reading and await action by the full Senate. Acting as one large committee known as the Committee of the Whole, the Senate debates the bills and may recommend them for preliminary passage. Bills recommended to pass, or pass as amended, are added to the Senate Calendar for third reading and final passage by the full Senate on another day.
In the Senate, Special Orders is a category of bills that bypass the Committee of the Whole. A bill on Special Orders may be debated, amended, and placed on final passage immediately. Special Orders are designated by the Chair of the Committee on Rules and Administration (the Senate Majority Leader).
See the Legislature's Civic Engagement Resources page for more about how a bill becomes a law.