# Understanding the standard properties of components

The properties under the ***Standard*** section are same for all the components added

| **Label**                      | **Description**                                                                                                                                                                                                                       |
| ------------------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| **Item ID**                    | <p>Unique identification code assigned to each component.</p><p><em>The value is auto-generated and you can edit it, if required. The value cannot be duplicated.</em></p><p>This value is used while referring to any component.</p> |
| **User Display Name**          | <p>Name of the component displayed in the Tree tab.<br>You can assign a user-friendly name for the component for a better understanding.</p><p>The name is not used for component reference.</p>                                      |
| **Comments**                   | Additional remarks about the component can be added here.                                                                                                                                                                             |
| **Visible**                    | <p>Select the checkbox to view the component, irrespective of the screen size.</p><p>You can clear the option to hide the component completely.</p><p><em>By default, it is selected for all the components.</em></p>                 |
| **Hide in Small Screen**       | <p>Select the checkbox to view component in small screen, i.e., when the width of the screen is lesser than 768 pixels.</p><p><em>By default, it is not selected for any added component.</em></p>                                    |
| **Hide in Medium Screen**      | Select the checkbox to view component in medium size screen, i.e., when the width of the screen is >= 768 pixels && <= 992 pixels.                                                                                                    |
| **Hide in Large Screen**       | Select the checkbox to view component in large size screen, i.e., when the width of the screen is >= 992 && < 1200.                                                                                                                   |
| **Hide in Extra Large Screen** | Select the checkbox to view component when the width of the screen is >= 1200.                                                                                                                                                        |
| **Visible Condition**          | <p>Enter the expression defining the condition to hide the component explicitly.</p><p><strong>Example</strong>: #{screen.isLargeUp}</p>                                                                                              |
