# 3 key

> computer key, part of numeric keypad

**Wikidata**: [Q27885068](https://www.wikidata.org/wiki/Q27885068)  
**Source**: https://4ort.xyz/entity/3-key

## Summary
The **3 key** is a physical button found on a computer keyboard. It is specifically classified as a component of the numeric keypad section. As a standard computer key, it serves as an input mechanism for the digit "3."

## Key Facts
- **Instance Of:** Computer key (physical button on a keyboard).
- **Part Of:** Numeric keypad (a section of a computer keyboard).
- **Aliases:** "3" and "3 (клавиша)".
- **Primary Function:** Serves as a dedicated input for the number 3 within the keypad interface.
- **Component Type:** Hardware interface element.

## FAQs
### Q: What is the 3 key?
A: The 3 key is a physical button on a computer keyboard. It is distinct as a specific instance of a computer key located on the numeric keypad.

### Q: Where is the 3 key located?
A: The key is located within the numeric keypad, which is a specific section of the computer keyboard.

### Q: Is the 3 key considered hardware?
A: Yes. It is classified as a "computer key," defined physically as a button on the keyboard.

## Why It Matters
The 3 key represents a fundamental building block of the standard computer keyboard interface. While a single numerical key may appear basic, its inclusion in the **numeric keypad** is significant for the overall utility of the keyboard hardware. The numeric keypad allows for rapid data entry and calculations, mimicking the layout of a calculator. The 3 key is essential to this grid layout, providing the dedicated input for the digit three.

From a data organization perspective, this entity highlights the hierarchical structure of hardware components: the key is a distinct object (instance) that belongs to a larger assembly (the numeric keypad), which in turn is part of the overall computer keyboard. The existence of specific aliases, such as "3 (клавиша)," also indicates its recognition in internationalized or linguistic technical contexts.

## Notable For
- **Component of Numeric Keypad:** Distinguished by its specific location on the numeric keypad rather than the top row of the keyboard.
- **Hardware Classification:** Defined explicitly as a physical button and computer key.
- **Linguistic Aliases:** Recognized under specific aliases including "3 (клавиша)."
- **Structural Hierarchy:** Serves as a clear example of a "part-of" relationship in knowledge structuring (Key -> Keypad -> Keyboard).

## Body
### Classification and Definition
The 3 key is formally classified as a **computer key**. By definition, a computer key is a physical button utilized on a computer keyboard to input data or commands. The 3 key is a specific instance of this class, distinct from other keys by its labeled function.

### Location and Parent Structure
The key is structurally situated within the **numeric keypad**.
*   **Numeric Keypad:** This is the parent structure or "Part of" relationship for the 3 key. The numeric keypad is defined as a distinct section of a computer keyboard.
*   **Context:** The entity is strictly defined by this physical relationship, existing as a component of the keypad assembly.

### Identification and Aliases
The entity is identified in knowledge bases and technical documentation by specific aliases.
*   **Primary Alias:** "3"
*   **Secondary Alias:** "3 (клавиша)"

These identifiers distinguish the specific physical key from the abstract concept of the number three.