ACC	Aviation Clearance Certificate
CGU	cash generating unit
co-location	locating multiple antennas on the same tower
DAS	distributed antenna systems
FSMA	Financial Services and Markets Act 2000, as amended
GAGL assets	tower assets owned by Global Tower and ground lease agreements executed by Global Tower
GAOL assets	tower assets owned by Global Tower and ground lease agreements executed by third parties
GATL assets	tower assets owned by Global Tower and ground lease agreements executed by Turkcell
ICTA	Information and Communications Technology Authority of Turkey
ISA	individual site agreement
ISP	Internet service provider
MLA	master lease agreement
MNO	mobile network operator
passive infrastructure sharing model	sharing non-electronic infrastructure (towers, shelters, power sources) at sites
PoP or point of presence	an access point for MNOs or ISPs usually located either on a tower site or rooftop site location.
RAN Sharing	radio access network sharing
SLAs	service level agreements
SMP	significant market power
TAGL assets	tower assets owned by Turkcell and ground lease agreements executed by Global Tower
TATL assets	tower assets owned by Turkcell and ground lease agreements executed by Turkcell
Tenant	a unique operator, ISP, broadcast customer or any other customer that rents tower space
VoIP	Voice over Internet Protocol