signal

/siɡnal/

Cases

SingularPluralWhen to use it
nominativesignalthe signalsignallathe signalsthe plain dictionary form — the doer of the sentence
genitivesignalnıthe signal'ssignallanıthe signals'the owner — whose it is
accusativesignalnıthe signal (as the object)signallanıthe signals (as the object)a specific, known object — whom or what
dativesignalğato the signalsignallağato the signalsdirection or recipient — to where, to whom
locativesignaldaat / in the signalsignalladaat / in the signalswhere it is; also having — mende bar, "I have it"
ablativesignaldanfrom the signalsignalladanfrom the signalswhere it comes from; also "than" when comparing
When to use each case
nominative
the plain dictionary form — the doer of the sentence
genitive
the owner — whose it is
accusative
a specific, known object — whom or what
dative
direction or recipient — to where, to whom
locative
where it is; also having — mende bar, "I have it"
ablative
where it comes from; also "than" when comparing

The endings are the same ones the pronouns wear — that page explains when each case is used.

With an owner

One ownedSeveral owned
mysignalımmy signalsignallarımmy signals
yoursignalıngyour signalsignallarıngyour signals
his / hersignalıhis / her signalsignallarıhis / her signals
oursignalıbızour signalsignallarıbızour signals
you all'ssignalığızyou all's signalsignallarığızyou all's signals
theirsignallarıtheir signalsignallarıtheir signals

The overlap in the last rows is real, not a mistake: signalları can mean "his / her signals", "their signal", or "their signals" — context decides.