So here is the front of my card, and you can see that every little symbol represents all of the times that I checked the time, positioned for days and different hours chronologically -- nothing really complicated here.
Aqui está a frente do meu cartão, e vemos todos os símbolos que representam todas as vezes que eu olhei as horas, marcando os dias e as horas, cronologicamente, nada muito complicado.