API	Application Programming Interface
BLE	Bluetooth Low Energy
CSS3	Cascading Style Sheets, a declarative stylesheet language for structured documents
HTML	Hypertext Markup Language
HTTP	Hypertext Transfer Protocol
IoT	Internet of Things
IPAO	International Physical Activity Questionnaire
JHipster	Java Hipster—a free and open-source application generator used to quickly modern web applications
JSON	JavaScript Object Notation
LoRA	Long Range
LTE	Long-Term Evolution
NIGG	National Institute of Gerontology and Geriatrics
PA	Physical Activity
PostgreSQL	Postgres is a free and open-source relational database management system (RDBMS)
QoL	Quality of Life
ReactJS	A free and open-source front-end JavaScript library
SD	Standard deviation
UUID	Universally Unique Identifier
vINCI	Clinically-validated INtegrated Support for Assistive Care and Lifestyle Improvement: the Human Link
WHO	World Health Organization
WHOQOL-BREF	World Health Organization Quality of Life Questionnaire—Short Form