Identify the musical notation and terms in the image.

Musical Notation and Terms:

The image displays a musical staff with a treble clef. Below the staff, Roman numerals and numbers indicate chords and their inversions, likely within a specific key or harmonic progression.

• Treble Clef (G clef): Indicates that the second line from the bottom of the staff represents the note G above middle C.
• "Ре минор": This is the Russian term for 'D minor', indicating the key of the piece.
• I_5/3: This represents the tonic chord in root position (5/3 indicates the third and fifth above the root).
• IV_5/3: This represents the subdominant chord in root position.
• I₆: This represents the tonic chord in first inversion (6 indicates the third above the bass note).
• I_6/4: This represents the tonic chord in second inversion (6/4 indicates the fifth and third above the bass note).
• V₇: This represents the dominant seventh chord.
• I_5/3 (неп.): This represents the tonic chord in root position, with '(неп.)' possibly indicating 'неполный' (incomplete) or a similar musical term.