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SLAM is a technique which enables AR devices to map the environment and locate themselves within that map in real-time, allowing digital objects to interact with the real world.

3D object recognition allows AR systems to detect and track 3D objects in the real world, making it possible to overlay digital information onto these recognized objects.

Motion tracking in AR refers to the process of detecting and responding to changes in device position and orientation, which is crucial for aligning virtual content with the real world.

An AR SDK (Software Development Kit) provides developers with libraries, tools, and APIs to develop AR applications. It simplifies tasks like tracking, rendering, and creating interactive AR experiences.

Anchors are reference points used in AR to ensure digital content stays in the correct physical location, even if the user's device moves or the environment changes.

Light estimation enables AR systems to assess the environment's lighting conditions, allowing virtual objects to cast realistic shadows and have lighting that matches the surroundings.

Marker-based tracking uses visual cues or 'markers' to establish the position and orientation of objects in AR. The software recognizes the marker pattern and overlays digital information in relation to it.

Plane detection is a computer vision process that identifies flat surfaces within the environment. It allows AR systems to place virtual objects on these detected planes realistically.

Markerless tracking, also known as instant tracking, doesn't rely on predefined markers. Instead, it uses sensors, algorithms, and complex computer vision techniques to recognize features in the physical environment.

Spatial audio in AR provides 3D sound effects that change based on the user's interaction with virtual objects or their position in the physical world, enhancing overall immersion.

Occlusion in AR is the process of correctly rendering virtual objects behind real-world ones. This helps in achieving a more realistic integration of digital objects with the physical environment.