A day in a city code explanation

using System; using System.Collections.Generic; using System.Linq; using System.Text; namespace adayinacity.Models.data.ViewModels { public class SiteActivity { public string _name { get; set; } public int _rank { get; set; } public string _time { get; set; } public Dictionary<string, Dictionary<double, double>> OpeningHour { get; set; } public SiteActivity(string name, int rank) { this._name = name; this._rank = rank; this._time = "00:00"; this.OpeningHour = null; } public SiteActivity(string name, int rank, string time, Dictionary<string, Dictionary<double, double>> openingHours) { this._name = name; this._rank = rank; this._time = time; this.OpeningHour = openingHours; } } } Scheduler using System; using System.Collections.Generic; using System.Linq; using System.Text; using adayinacity.Models.data.ViewModels; namespace adayinacity.Models.data.ViewModels { public class SiteSchedule { public List<SiteActivity> _activities { get; set; } public string DayOfWeek { get; set; } /* constructor */ public SiteSchedule() { this._activities = new List<SiteActivity>(); } } }