advancement
bar
benchmark
buffer
capacity
comparison
complete
completion
element
empty
filling
fuel
full
gauge
guage
gui
high
horizontal
indication
indicator
interface
level
loader
loading
low
max
maximum
meter
minimum
overdrive
phase
phases
preloader
progress
progressbar
progression
rating
rectangle
rectangular
set
shape
steps
strength
transfer
ui
upload
user
volume
web