\definedescription[A]
  [headstyle=bold,
   width=broad, % Width of the running text
   indenting={yes,medium}, % (Internal) indenting of the running text
% alternative=left,
  ]

\definedescription[B]
  [headstyle=bold,
   width=broad, % Width of the running text
   indenting={yes,medium}, % (Internal) indenting of the running text
   alternative=right,
  ]

\definedescription[C]
  [headstyle=bold,
   width=broad, % Width of the running text
   indenting={yes,medium}, % (Internal) indenting of the running text
   alternative=top,
  ]

\definedescription[D]
  [headstyle=bold,
   width=broad, % Width of the running text
   indenting={yes,medium}, % (Internal) indenting of the running text
   alternative=serried,
  ]

\definedescription[E]
  [headstyle=bold,
   width=broad, % Width of the running text
   indenting={yes,medium}, % (Internal) indenting of the running text
   alternative=inmargin,
  ]

\definedescription[F]
  [headstyle=bold,
   width=broad, % Width of the running text
   indenting={yes,medium}, % (Internal) indenting of the running text
   alternative=inleft,
  ]

\definedescription[G]
  [headstyle=bold,
   width=broad, % Width of the running text
   indenting={yes,medium}, % (Internal) indenting of the running text
   alternative=inright,
  ]

\definedescription[H]
  [headstyle=bold,
   width=broad, % Width of the running text
   indenting={yes,medium}, % (Internal) indenting of the running text
   alternative=hanging,
  ]

\definedescription[I]
  [headstyle=bold,
   width=broad, % Width of the running text
   indenting={yes,medium}, % (Internal) indenting of the running text
   alternative=left,
   hang=2,
  ]

\definedescription[J]
  [headstyle=bold,
   width=broad, % Width of the running text
   indenting={yes,medium}, % (Internal) indenting of the running text
   alternative=right,
   hang=2,
  ]


\showframe
\starttext

\startbuffer[test]

A: alt=left
  \A{Another label}
    \input ward
  
B: alt=right
  \B{Another label}
    \input ward
  
C: alt=top
  \C{Another label}
    \input ward

D: alt=serried
  \D{Another label}
    \input ward
  
E: alt=inmargin
  \E{Another label}
    \input ward
  
F: alt=inleft
  \F{Another label}
    \input ward
  
G: alt=inright
  \G{Another label}
    \input ward
  
H: alt=hanging
  \H{Another label}
    \input ward   

I: alt=left,hang=2
  \I{Another label}
    \input ward   

J: alt=right,hang=2
  \J{Another label}
    \input ward

\stopbuffer


%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%

\getbuffer[test]

\page
\righttoleft

\getbuffer[test]

\stoptext