To answer the OP's real question about flightaware though...
The data block you see on flightaware is the same that a radar screen shows and includes the following information from left to right, top to bottom:
Airline/Flight# [or registration # for private aircraft] and aircraft type
Altitude in hundreds of feet and speed in knots
ICAO identifiers of departure and destination airport
DLH188 A321
209 432
EDDF EDDT
is Deutsche Lufthansa flight 188 and is an Airbus A321 that is flying at 20.900 feet and doing 432knots. The flight is from Frankfurt to Berlin-Tegel.