Draw a chain of connected line segments.

Draw a connected chain of segments as one entity.

Draw a rectangle by two opposite corners.

Draw a circle by its center and radius.

Draw a 3-point arc (start, through, end).

Move selected entities to a new location.

Copy selected entities to a new location.

Rotate selected entities around a base point.

Mirror selected entities across an axis.

Scale selected entities around a base point.

Stretch vertices inside a window; the rest stay fixed.

Make a parallel offset copy of a line or arc.

Cut an entity back to a cutting edge.

Extend an entity to meet a boundary edge.

Round a corner between two lines with a tangent arc.

Bevel a corner between two lines with a straight cut.

Make a rectangular or polar array of selected entities.

Copy properties (layer) from one entity to others.

Delete the selected entities.

Ungroup a placed symbol / block insert into independent entities.

Add a linear dimension between two points.

Place single-line text at a point.

Generate the mark schedule table at a point.

Cloud a rectangular region to flag a revision.

Place a delta tag with a revision label.

Generate the Bar Bending Schedule (BBS) table at a point.

Define a named block from selected entities.

Insert a defined block at a point.

Insert the active block from the Blocks panel at a point.

Place a north arrow symbol.

Place a section mark with label and sheet reference.

Place a grid bubble with an axis label.

Place a level marker (RL) with the elevation text.

Place instances of the active column mark.

Place centerlines of the active beam mark.

Place instances of the active footing mark.

Place regions of the active slab mark.

Place plan outlines of the active roof mark.

Place centerlines of the active wall mark.

Place footprints of the active stair mark.

Place sections of the active retaining-wall mark.

Undo the last action.

Redo the last undone action.

Select every visible, unlocked entity.

Erase the current selection.

Cancel the active command or clear the selection.

Confirm / finish the active command.

Toggle horizontal/vertical drawing constraint (object snaps still win).

Toggle polar tracking — snap the direction to angle increments (15° default; set the step in the status bar).

Ctrl-click an entity to add or remove it from the selection; Ctrl+band adds.

During a draw command, type absolute, relative, or polar coordinates (or a distance) into the command bar.

While picking a point, type a number to enter dimensions at the cursor. Tab locks the value and switches to the angle field; Enter (or a click) commits; ESC closes the fields.

At idle, Enter repeats the last command.

Drag left→right: selects only what is fully inside the blue window.

Drag right→left: selects everything the green dashed band touches.

Drag a selected entity to move it and everything selected with it.

Right-click finishes the active command, or cancels if it has nothing to finish.

Hold SPACE or middle mouse and drag to pan.

Scroll the wheel to zoom toward the cursor.

Shift+drag a box to zoom into it.

Double-click empty space to fit the drawing; double-click an entity to select it.

Open or close this reference.