Calculated Control A control on a form or report that displays the result of an expression rather than stored data.
Calculated Field A field containing values calculated using one or more other fields. The calculation is based on an expression that tells Microsoft Access what to do with the values provided.
Cancel A menu command that stops whatever is in progress and return you the previous window.
Caption The name displayed on a label or the name displayed in the title bar at the top of a form or report window.
Cell A box in worksheet used to store data. A worksheet is made up of thousands of cells, ordered by rows and columns.
Cell Selector The highlighted rectangle that indicates the current cell.
Character Any number, letter, or other symbol.
Charts A chart is graphic presentation of worksheet data. Microsoft Excel offers numerous types of charts. when you create a chart, Microsoft Excel plots the chart based on the shape of the selected range of data and on the types of data in the rows and columns. 
Click To press and release the mouse button. to pick a menu item or dialogue box option that starts an action immediately.
Clipboard The Clipboard is temporary holding area for the information you cut or copy with the cut, copy, or copy picture
Column  

 In tables, each field makes up one column. Columns are composed of fields of the same type, and are usually given a name that is descriptive of their content, such as First Name for a field containing peoples first names, or Amount for a field containing financial amounts.

Column Break A location in a document where you designate the end of one column and the beginning of another.
Command An instruction given to computer to carry out a particular action.
Common Fields Fields used to link tables in queries. Common fields must have compatible field types.
Comparison operators When you perform a query, you can ask Microsoft Access to compare two field values using the comparison operators >, <, <=, >=< and =.
Constant A specific, unchanging value used in calculation.
Constant Data Input data entered into spreadsheet model that does not change or only changes occasionally, e.g. VAT rate.
Constraint Keys Constraint keys let you restrict aspects of an object as you draw it. e.g. Using the Ctrl key you can draw a circle instead of an ellipse.
Control Handle  

A square that appears to identify the vertex  of a freeform shape or polygon. You can edit freeform shapes and polygons by adding, deleting and moving their control handles.

Criteria  

A set of limiting conditions, such as LONDON( meaning equal to LONDON) or >30000, used in creating a query or filter to show specific set of records.

Current  

 Used conjunction with drive of folder, as in current folder, specifies the working disk drive and disk location for Microsoft Access files. Used in conjunction with files. images, records, and tables, as in current field, specifies the cursor's position on the Microsoft Access workspace.

Current Folder The folder to which a file will be saved if no path is spiecified.
Cursor