1.04 Glossery

BT = Bluetooth
Short-range wireless to connect with mice, phones, etc.

CF = compact flash
Largish cards that provide storage or IO functions (Wi-Fi, bluetooth, etc.)

OE = OpenEmbedded
A build system for embedded Linux distributions. Used by OZ/Angstrom

OZ = OpenZaurus
A now-unmaintained ROM made with OE.

ROM = nickname for a distribution for the Zaurus

SD = Secure digital
Small cards about the size of a stamp. Sizes go up to about 4 GB.

SDHC = Secure digital high capacity
SD cards with capacity >4 GB. Not working with many ROMs.

SDIO = Secure Digital Input Output
SD cards that provide some functionality other than storage, eg Wi-Fi, bluetooth.

Wi-Fi = Wireless Fidelity