What are the visa & residency requirements in Moscow?

"In order to visit Moscow, travelers must obtain a visa prior to their arrival. The process of applying for a visa involves submitting an application form, a valid passport, a passport-sized photograph, and any other documents required by the Russian Embassy or Consulate. Depending on the type of visa, additional documents may be required. In order to obtain residency in Moscow, Russia, applicants must submit an application form, a valid passport, a passport-sized photograph, and any other documents required by the Russian Embassy or Consulate. Additionally, applicants must provide proof of employment, proof of financial means, and proof of health insurance. Once the application is approved, applicants must register with the local authorities and obtain a residence permit," remarked another expat in Moscow, Russia.