Glossary Explanation

Auto-focus

Autofocus is the camera system that automatically adjusts focus to keep the subject sharp.

Meaning

What It Means

Different autofocus methods can affect focusing speed, tracking, close-up performance, and low-light reliability.

It is especially important for portraits, moving subjects, and quick point-and-shoot photography.

Why It Matters

This term can appear on full specification tables, product comparison pages, and the inline help icons placed next to technical labels.

Use the glossary when you want a quick explanation before comparing two devices feature by feature.

Same letter, quick access

A-GPS refers to Assisted GPS and is commonly used in device specifications.

A2DP refers to Advanced Audio Distribution Profile and is commonly used in device specifications.

AAC refers to Advanced Audio Coding and is commonly used in device specifications.

Accelerometer is a hardware term used to describe performance, memory, or core internal components.

Airplane mode is a glossary term used on device pages to explain a feature, technology, or specification.

Alarm Clock is a software term used to describe the platform, interface, or system capability of a device.

Alphanumeric is a glossary term used on device pages to explain a feature, technology, or specification.

AMOLED is a display technology where each pixel lights itself, helping deliver deep blacks, strong contrast, and vibrant colors.

Analog is a glossary term used on device pages to explain a feature, technology, or specification.

Android is the Google-backed mobile operating system used by many phone, tablet, and other device brands.

ANT+ is a glossary term used on device pages to explain a feature, technology, or specification.

Antenna is a glossary term used on device pages to explain a feature, technology, or specification.